Home / 29,126.70-43,690.15-8,863.65

Finding the Fourth Proportional to 29,126.70, 43,690.15 and 8,863.65

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Solution

The fourth proportional to 29,126.70, 43,690.15 and 8,863.65 is: 13,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,126.70 : 43,690.15 = 8,863.65 : x
  2. Step 2: Convert to fraction form
    29,126.70/43,690.15 = 8,863.65/x
  3. Step 3: Cross multiply
    29,126.70x = 43,690.15 × 8,863.65
  4. Step 4: Simplify right side
    29,126.70x = 387,254,372.97
  5. Step 5: Solve for x
    x = 387,254,372.97/29,126.70
  6. Step 6: Final answer
    x = 13,295.51

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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.