Home / 28,242.60-42,355.22-9,517.62

Finding the Fourth Proportional to 28,242.60, 42,355.22 and 9,517.62

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Solution

The fourth proportional to 28,242.60, 42,355.22 and 9,517.62 is: 14,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242.60 : 42,355.22 = 9,517.62 : x
  2. Step 2: Convert to fraction form
    28,242.60/42,355.22 = 9,517.62/x
  3. Step 3: Cross multiply
    28,242.60x = 42,355.22 × 9,517.62
  4. Step 4: Simplify right side
    28,242.60x = 403,120,888.98
  5. Step 5: Solve for x
    x = 403,120,888.98/28,242.60
  6. Step 6: Final answer
    x = 14,273.50

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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.