Home / 26,868.43-40,308.46-8,149.90

Finding the Fourth Proportional to 26,868.43, 40,308.46 and 8,149.90

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Solution

The fourth proportional to 26,868.43, 40,308.46 and 8,149.90 is: 12,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868.43 : 40,308.46 = 8,149.90 : x
  2. Step 2: Convert to fraction form
    26,868.43/40,308.46 = 8,149.90/x
  3. Step 3: Cross multiply
    26,868.43x = 40,308.46 × 8,149.90
  4. Step 4: Simplify right side
    26,868.43x = 328,509,810.48
  5. Step 5: Solve for x
    x = 328,509,810.48/26,868.43
  6. Step 6: Final answer
    x = 12,226.61

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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.