Finding the Fourth Proportional to 27,711.97, 41,574.11 and 7,988.99
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Solution
The fourth proportional to 27,711.97, 41,574.11 and 7,988.99 is: 11,985.26
Step by Step Solution
- Step 1: Write the proportion equation
27,711.97 : 41,574.11 = 7,988.99 : x - Step 2: Convert to fraction form
27,711.97/41,574.11 = 7,988.99/x - Step 3: Cross multiply
27,711.97x = 41,574.11 × 7,988.99 - Step 4: Simplify right side
27,711.97x = 332,135,057.14 - Step 5: Solve for x
x = 332,135,057.14/27,711.97 - Step 6: Final answer
x = 11,985.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.