Home / 21,540.25-32,310.38-5,957.88

Finding the Fourth Proportional to 21,540.25, 32,310.38 and 5,957.88

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Solution

The fourth proportional to 21,540.25, 32,310.38 and 5,957.88 is: 8,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,540.25 : 32,310.38 = 5,957.88 : x
  2. Step 2: Convert to fraction form
    21,540.25/32,310.38 = 5,957.88/x
  3. Step 3: Cross multiply
    21,540.25x = 32,310.38 × 5,957.88
  4. Step 4: Simplify right side
    21,540.25x = 192,501,366.79
  5. Step 5: Solve for x
    x = 192,501,366.79/21,540.25
  6. Step 6: Final answer
    x = 8,936.82

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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.