Home / 27,167.06-40,769.86-12,377.90

Finding the Fourth Proportional to 27,167.06, 40,769.86 and 12,377.90

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Solution

The fourth proportional to 27,167.06, 40,769.86 and 12,377.90 is: 18,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,167.06 : 40,769.86 = 12,377.90 : x
  2. Step 2: Convert to fraction form
    27,167.06/40,769.86 = 12,377.90/x
  3. Step 3: Cross multiply
    27,167.06x = 40,769.86 × 12,377.90
  4. Step 4: Simplify right side
    27,167.06x = 504,645,250.09
  5. Step 5: Solve for x
    x = 504,645,250.09/27,167.06
  6. Step 6: Final answer
    x = 18,575.63

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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.