Home / 29,288.70-43,965.45-18,207.90

Finding the Fourth Proportional to 29,288.70, 43,965.45 and 18,207.90

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Solution

The fourth proportional to 29,288.70, 43,965.45 and 18,207.90 is: 27,331.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,288.70 : 43,965.45 = 18,207.90 : x
  2. Step 2: Convert to fraction form
    29,288.70/43,965.45 = 18,207.90/x
  3. Step 3: Cross multiply
    29,288.70x = 43,965.45 × 18,207.90
  4. Step 4: Simplify right side
    29,288.70x = 800,518,517.06
  5. Step 5: Solve for x
    x = 800,518,517.06/29,288.70
  6. Step 6: Final answer
    x = 27,331.99

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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.