Home / 57,542.40-86,314.88-15,989.12

Finding the Fourth Proportional to 57,542.40, 86,314.88 and 15,989.12

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Solution

The fourth proportional to 57,542.40, 86,314.88 and 15,989.12 is: 23,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,542.40 : 86,314.88 = 15,989.12 : x
  2. Step 2: Convert to fraction form
    57,542.40/86,314.88 = 15,989.12/x
  3. Step 3: Cross multiply
    57,542.40x = 86,314.88 × 15,989.12
  4. Step 4: Simplify right side
    57,542.40x = 1,380,098,974.11
  5. Step 5: Solve for x
    x = 1,380,098,974.11/57,542.40
  6. Step 6: Final answer
    x = 23,984.04

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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.