Home / 28,915.60-43,373.40-15,062.80

Finding the Fourth Proportional to 28,915.60, 43,373.40 and 15,062.80

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Solution

The fourth proportional to 28,915.60, 43,373.40 and 15,062.80 is: 22,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,915.60 : 43,373.40 = 15,062.80 : x
  2. Step 2: Convert to fraction form
    28,915.60/43,373.40 = 15,062.80/x
  3. Step 3: Cross multiply
    28,915.60x = 43,373.40 × 15,062.80
  4. Step 4: Simplify right side
    28,915.60x = 653,324,849.52
  5. Step 5: Solve for x
    x = 653,324,849.52/28,915.60
  6. Step 6: Final answer
    x = 22,594.20

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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.