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Finding the Fourth Proportional to 57,248.60, 85,872.90 and 25,658.60

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Solution

The fourth proportional to 57,248.60, 85,872.90 and 25,658.60 is: 38,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,248.60 : 85,872.90 = 25,658.60 : x
  2. Step 2: Convert to fraction form
    57,248.60/85,872.90 = 25,658.60/x
  3. Step 3: Cross multiply
    57,248.60x = 85,872.90 × 25,658.60
  4. Step 4: Simplify right side
    57,248.60x = 2,203,378,391.94
  5. Step 5: Solve for x
    x = 2,203,378,391.94/57,248.60
  6. Step 6: Final answer
    x = 38,487.90

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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.