Home / 27,256-40,891.20-8,788.48

Finding the Fourth Proportional to 27,256, 40,891.20 and 8,788.48

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Solution

The fourth proportional to 27,256, 40,891.20 and 8,788.48 is: 13,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,256 : 40,891.20 = 8,788.48 : x
  2. Step 2: Convert to fraction form
    27,256/40,891.20 = 8,788.48/x
  3. Step 3: Cross multiply
    27,256x = 40,891.20 × 8,788.48
  4. Step 4: Simplify right side
    27,256x = 359,371,493.38
  5. Step 5: Solve for x
    x = 359,371,493.38/27,256
  6. Step 6: Final answer
    x = 13,185.04

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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.