Home / 31,727.40-47,591.10-26,658.60

Finding the Fourth Proportional to 31,727.40, 47,591.10 and 26,658.60

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Solution

The fourth proportional to 31,727.40, 47,591.10 and 26,658.60 is: 39,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.40 : 47,591.10 = 26,658.60 : x
  2. Step 2: Convert to fraction form
    31,727.40/47,591.10 = 26,658.60/x
  3. Step 3: Cross multiply
    31,727.40x = 47,591.10 × 26,658.60
  4. Step 4: Simplify right side
    31,727.40x = 1,268,712,098.46
  5. Step 5: Solve for x
    x = 1,268,712,098.46/31,727.40
  6. Step 6: Final answer
    x = 39,987.90

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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.