Home / 27,787.97-41,689.76-11,159.68

Finding the Fourth Proportional to 27,787.97, 41,689.76 and 11,159.68

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Solution

The fourth proportional to 27,787.97, 41,689.76 and 11,159.68 is: 16,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,787.97 : 41,689.76 = 11,159.68 : x
  2. Step 2: Convert to fraction form
    27,787.97/41,689.76 = 11,159.68/x
  3. Step 3: Cross multiply
    27,787.97x = 41,689.76 × 11,159.68
  4. Step 4: Simplify right side
    27,787.97x = 465,244,361.80
  5. Step 5: Solve for x
    x = 465,244,361.80/27,787.97
  6. Step 6: Final answer
    x = 16,742.65

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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.