Home / 23,905.89-32,990.92-13,151.21

Finding the Fourth Proportional to 23,905.89, 32,990.92 and 13,151.21

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Solution

The fourth proportional to 23,905.89, 32,990.92 and 13,151.21 is: 18,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,905.89 : 32,990.92 = 13,151.21 : x
  2. Step 2: Convert to fraction form
    23,905.89/32,990.92 = 13,151.21/x
  3. Step 3: Cross multiply
    23,905.89x = 32,990.92 × 13,151.21
  4. Step 4: Simplify right side
    23,905.89x = 433,870,517.01
  5. Step 5: Solve for x
    x = 433,870,517.01/23,905.89
  6. Step 6: Final answer
    x = 18,149.11

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1.5x scale

Why These Related Problems?

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