Home / 28,229.36-42,344.04-7,453.04

Finding the Fourth Proportional to 28,229.36, 42,344.04 and 7,453.04

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Solution

The fourth proportional to 28,229.36, 42,344.04 and 7,453.04 is: 11,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.36 : 42,344.04 = 7,453.04 : x
  2. Step 2: Convert to fraction form
    28,229.36/42,344.04 = 7,453.04/x
  3. Step 3: Cross multiply
    28,229.36x = 42,344.04 × 7,453.04
  4. Step 4: Simplify right side
    28,229.36x = 315,591,823.88
  5. Step 5: Solve for x
    x = 315,591,823.88/28,229.36
  6. Step 6: Final answer
    x = 11,179.56

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Double scale
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Similar ratio
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1.5x scale

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.