Home / 28,129.92-38,793.60-24,149.76

Finding the Fourth Proportional to 28,129.92, 38,793.60 and 24,149.76

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Solution

The fourth proportional to 28,129.92, 38,793.60 and 24,149.76 is: 33,304.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,129.92 : 38,793.60 = 24,149.76 : x
  2. Step 2: Convert to fraction form
    28,129.92/38,793.60 = 24,149.76/x
  3. Step 3: Cross multiply
    28,129.92x = 38,793.60 × 24,149.76
  4. Step 4: Simplify right side
    28,129.92x = 936,856,129.54
  5. Step 5: Solve for x
    x = 936,856,129.54/28,129.92
  6. Step 6: Final answer
    x = 33,304.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.