Home / 31,921.60-47,882.42-15,277.72

Finding the Fourth Proportional to 31,921.60, 47,882.42 and 15,277.72

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Solution

The fourth proportional to 31,921.60, 47,882.42 and 15,277.72 is: 22,916.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,921.60 : 47,882.42 = 15,277.72 : x
  2. Step 2: Convert to fraction form
    31,921.60/47,882.42 = 15,277.72/x
  3. Step 3: Cross multiply
    31,921.60x = 47,882.42 × 15,277.72
  4. Step 4: Simplify right side
    31,921.60x = 731,534,205.68
  5. Step 5: Solve for x
    x = 731,534,205.68/31,921.60
  6. Step 6: Final answer
    x = 22,916.59

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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.