Finding the Fourth Proportional to 18,160.26, 27,288.99 and 15,874.44
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Solution
The fourth proportional to 18,160.26, 27,288.99 and 15,874.44 is: 23,854.14
Step by Step Solution
- Step 1: Write the proportion equation
18,160.26 : 27,288.99 = 15,874.44 : x - Step 2: Convert to fraction form
18,160.26/27,288.99 = 15,874.44/x - Step 3: Cross multiply
18,160.26x = 27,288.99 × 15,874.44 - Step 4: Simplify right side
18,160.26x = 433,197,434.42 - Step 5: Solve for x
x = 433,197,434.42/18,160.26 - Step 6: Final answer
x = 23,854.14
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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.