Home / 23,142.85-31,937.25-12,532.53

Finding the Fourth Proportional to 23,142.85, 31,937.25 and 12,532.53

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Solution

The fourth proportional to 23,142.85, 31,937.25 and 12,532.53 is: 17,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,142.85 : 31,937.25 = 12,532.53 : x
  2. Step 2: Convert to fraction form
    23,142.85/31,937.25 = 12,532.53/x
  3. Step 3: Cross multiply
    23,142.85x = 31,937.25 × 12,532.53
  4. Step 4: Simplify right side
    23,142.85x = 400,254,543.74
  5. Step 5: Solve for x
    x = 400,254,543.74/23,142.85
  6. Step 6: Final answer
    x = 17,294.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.