Home / 38,613.80-57,920.70-16,427.90

Finding the Fourth Proportional to 38,613.80, 57,920.70 and 16,427.90

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Solution

The fourth proportional to 38,613.80, 57,920.70 and 16,427.90 is: 24,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,613.80 : 57,920.70 = 16,427.90 : x
  2. Step 2: Convert to fraction form
    38,613.80/57,920.70 = 16,427.90/x
  3. Step 3: Cross multiply
    38,613.80x = 57,920.70 × 16,427.90
  4. Step 4: Simplify right side
    38,613.80x = 951,515,467.53
  5. Step 5: Solve for x
    x = 951,515,467.53/38,613.80
  6. Step 6: Final answer
    x = 24,641.85

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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.