Home / 21,583.20-32,366.29-10,486.61

Finding the Fourth Proportional to 21,583.20, 32,366.29 and 10,486.61

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Solution

The fourth proportional to 21,583.20, 32,366.29 and 10,486.61 is: 15,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583.20 : 32,366.29 = 10,486.61 : x
  2. Step 2: Convert to fraction form
    21,583.20/32,366.29 = 10,486.61/x
  3. Step 3: Cross multiply
    21,583.20x = 32,366.29 × 10,486.61
  4. Step 4: Simplify right side
    21,583.20x = 339,412,660.38
  5. Step 5: Solve for x
    x = 339,412,660.38/21,583.20
  6. Step 6: Final answer
    x = 15,725.78

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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.