Home / 28,724.70-43,087.05-9,003.24

Finding the Fourth Proportional to 28,724.70, 43,087.05 and 9,003.24

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Solution

The fourth proportional to 28,724.70, 43,087.05 and 9,003.24 is: 13,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.70 : 43,087.05 = 9,003.24 : x
  2. Step 2: Convert to fraction form
    28,724.70/43,087.05 = 9,003.24/x
  3. Step 3: Cross multiply
    28,724.70x = 43,087.05 × 9,003.24
  4. Step 4: Simplify right side
    28,724.70x = 387,923,052.04
  5. Step 5: Solve for x
    x = 387,923,052.04/28,724.70
  6. Step 6: Final answer
    x = 13,504.86

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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.