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Finding the Fourth Proportional to 57,229.60, 85,862.40 and 27,648.40

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Solution

The fourth proportional to 57,229.60, 85,862.40 and 27,648.40 is: 41,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,229.60 : 85,862.40 = 27,648.40 : x
  2. Step 2: Convert to fraction form
    57,229.60/85,862.40 = 27,648.40/x
  3. Step 3: Cross multiply
    57,229.60x = 85,862.40 × 27,648.40
  4. Step 4: Simplify right side
    57,229.60x = 2,373,957,980.16
  5. Step 5: Solve for x
    x = 2,373,957,980.16/57,229.60
  6. Step 6: Final answer
    x = 41,481.30

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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.