Home / 28,532.28-39,375.90-15,956.04

Finding the Fourth Proportional to 28,532.28, 39,375.90 and 15,956.04

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Solution

The fourth proportional to 28,532.28, 39,375.90 and 15,956.04 is: 22,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.28 : 39,375.90 = 15,956.04 : x
  2. Step 2: Convert to fraction form
    28,532.28/39,375.90 = 15,956.04/x
  3. Step 3: Cross multiply
    28,532.28x = 39,375.90 × 15,956.04
  4. Step 4: Simplify right side
    28,532.28x = 628,283,435.44
  5. Step 5: Solve for x
    x = 628,283,435.44/28,532.28
  6. Step 6: Final answer
    x = 22,020.09

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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.