Home / 38,432.80-57,639.60-14,735.20

Finding the Fourth Proportional to 38,432.80, 57,639.60 and 14,735.20

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Solution

The fourth proportional to 38,432.80, 57,639.60 and 14,735.20 is: 22,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,432.80 : 57,639.60 = 14,735.20 : x
  2. Step 2: Convert to fraction form
    38,432.80/57,639.60 = 14,735.20/x
  3. Step 3: Cross multiply
    38,432.80x = 57,639.60 × 14,735.20
  4. Step 4: Simplify right side
    38,432.80x = 849,331,033.92
  5. Step 5: Solve for x
    x = 849,331,033.92/38,432.80
  6. Step 6: Final answer
    x = 22,099.12

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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.