Home / 47,515.11-71,288.51-15,928.31

Finding the Fourth Proportional to 47,515.11, 71,288.51 and 15,928.31

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Solution

The fourth proportional to 47,515.11, 71,288.51 and 15,928.31 is: 23,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,515.11 : 71,288.51 = 15,928.31 : x
  2. Step 2: Convert to fraction form
    47,515.11/71,288.51 = 15,928.31/x
  3. Step 3: Cross multiply
    47,515.11x = 71,288.51 × 15,928.31
  4. Step 4: Simplify right side
    47,515.11x = 1,135,505,585.30
  5. Step 5: Solve for x
    x = 1,135,505,585.30/47,515.11
  6. Step 6: Final answer
    x = 23,897.78

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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.