Home / 26,917.25-40,375.89-12,873.96

Finding the Fourth Proportional to 26,917.25, 40,375.89 and 12,873.96

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Solution

The fourth proportional to 26,917.25, 40,375.89 and 12,873.96 is: 19,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.25 : 40,375.89 = 12,873.96 : x
  2. Step 2: Convert to fraction form
    26,917.25/40,375.89 = 12,873.96/x
  3. Step 3: Cross multiply
    26,917.25x = 40,375.89 × 12,873.96
  4. Step 4: Simplify right side
    26,917.25x = 519,797,592.82
  5. Step 5: Solve for x
    x = 519,797,592.82/26,917.25
  6. Step 6: Final answer
    x = 19,310.95

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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.