Home / 20,762.20-31,167.90-16,382.68

Finding the Fourth Proportional to 20,762.20, 31,167.90 and 16,382.68

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Solution

The fourth proportional to 20,762.20, 31,167.90 and 16,382.68 is: 24,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,762.20 : 31,167.90 = 16,382.68 : x
  2. Step 2: Convert to fraction form
    20,762.20/31,167.90 = 16,382.68/x
  3. Step 3: Cross multiply
    20,762.20x = 31,167.90 × 16,382.68
  4. Step 4: Simplify right side
    20,762.20x = 510,613,731.97
  5. Step 5: Solve for x
    x = 510,613,731.97/20,762.20
  6. Step 6: Final answer
    x = 24,593.43

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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.