Home / 28,353.38-42,517.77-8,627.36

Finding the Fourth Proportional to 28,353.38, 42,517.77 and 8,627.36

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Solution

The fourth proportional to 28,353.38, 42,517.77 and 8,627.36 is: 12,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,353.38 : 42,517.77 = 8,627.36 : x
  2. Step 2: Convert to fraction form
    28,353.38/42,517.77 = 8,627.36/x
  3. Step 3: Cross multiply
    28,353.38x = 42,517.77 × 8,627.36
  4. Step 4: Simplify right side
    28,353.38x = 366,815,895.60
  5. Step 5: Solve for x
    x = 366,815,895.60/28,353.38
  6. Step 6: Final answer
    x = 12,937.29

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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.