Home / 31,909.56-47,791.44-15,281.28

Finding the Fourth Proportional to 31,909.56, 47,791.44 and 15,281.28

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Solution

The fourth proportional to 31,909.56, 47,791.44 and 15,281.28 is: 22,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,909.56 : 47,791.44 = 15,281.28 : x
  2. Step 2: Convert to fraction form
    31,909.56/47,791.44 = 15,281.28/x
  3. Step 3: Cross multiply
    31,909.56x = 47,791.44 × 15,281.28
  4. Step 4: Simplify right side
    31,909.56x = 730,314,376.24
  5. Step 5: Solve for x
    x = 730,314,376.24/31,909.56
  6. Step 6: Final answer
    x = 22,887.01

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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.