Home / 38,432.34-57,659.68-15,938.90

Finding the Fourth Proportional to 38,432.34, 57,659.68 and 15,938.90

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Solution

The fourth proportional to 38,432.34, 57,659.68 and 15,938.90 is: 23,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,432.34 : 57,659.68 = 15,938.90 : x
  2. Step 2: Convert to fraction form
    38,432.34/57,659.68 = 15,938.90/x
  3. Step 3: Cross multiply
    38,432.34x = 57,659.68 × 15,938.90
  4. Step 4: Simplify right side
    38,432.34x = 919,031,515.52
  5. Step 5: Solve for x
    x = 919,031,515.52/38,432.34
  6. Step 6: Final answer
    x = 23,912.97

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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.