Home / 25,542.38-38,231.62-13,666.45

Finding the Fourth Proportional to 25,542.38, 38,231.62 and 13,666.45

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Solution

The fourth proportional to 25,542.38, 38,231.62 and 13,666.45 is: 20,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,542.38 : 38,231.62 = 13,666.45 : x
  2. Step 2: Convert to fraction form
    25,542.38/38,231.62 = 13,666.45/x
  3. Step 3: Cross multiply
    25,542.38x = 38,231.62 × 13,666.45
  4. Step 4: Simplify right side
    25,542.38x = 522,490,523.15
  5. Step 5: Solve for x
    x = 522,490,523.15/25,542.38
  6. Step 6: Final answer
    x = 20,455.83

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1.5x scale

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.