so if 7000 is the 100%, how much is the 38%?
[tex]\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
7000&100\\
x&38
\end{array}\implies \cfrac{7000}{x}=\cfrac{100}{38}\implies \cfrac{7000\cdot 38}{100}=x[/tex]