Home / 38,471.20-57,663.60-16,280.80

Finding the Fourth Proportional to 38,471.20, 57,663.60 and 16,280.80

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Solution

The fourth proportional to 38,471.20, 57,663.60 and 16,280.80 is: 24,402.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,471.20 : 57,663.60 = 16,280.80 : x
  2. Step 2: Convert to fraction form
    38,471.20/57,663.60 = 16,280.80/x
  3. Step 3: Cross multiply
    38,471.20x = 57,663.60 × 16,280.80
  4. Step 4: Simplify right side
    38,471.20x = 938,809,538.88
  5. Step 5: Solve for x
    x = 938,809,538.88/38,471.20
  6. Step 6: Final answer
    x = 24,402.92

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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.