Home / 27,195.38-40,788.20-17,305.28

Finding the Fourth Proportional to 27,195.38, 40,788.20 and 17,305.28

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Solution

The fourth proportional to 27,195.38, 40,788.20 and 17,305.28 is: 25,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,195.38 : 40,788.20 = 17,305.28 : x
  2. Step 2: Convert to fraction form
    27,195.38/40,788.20 = 17,305.28/x
  3. Step 3: Cross multiply
    27,195.38x = 40,788.20 × 17,305.28
  4. Step 4: Simplify right side
    27,195.38x = 705,851,221.70
  5. Step 5: Solve for x
    x = 705,851,221.70/27,195.38
  6. Step 6: Final answer
    x = 25,954.82

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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.