Home / 37,865.76-56,760.16-15,691.20

Finding the Fourth Proportional to 37,865.76, 56,760.16 and 15,691.20

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Solution

The fourth proportional to 37,865.76, 56,760.16 and 15,691.20 is: 23,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,865.76 : 56,760.16 = 15,691.20 : x
  2. Step 2: Convert to fraction form
    37,865.76/56,760.16 = 15,691.20/x
  3. Step 3: Cross multiply
    37,865.76x = 56,760.16 × 15,691.20
  4. Step 4: Simplify right side
    37,865.76x = 890,635,022.59
  5. Step 5: Solve for x
    x = 890,635,022.59/37,865.76
  6. Step 6: Final answer
    x = 23,520.85

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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.