Home / 27,791.29-38,342.46-15,846.04

Finding the Fourth Proportional to 27,791.29, 38,342.46 and 15,846.04

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Solution

The fourth proportional to 27,791.29, 38,342.46 and 15,846.04 is: 21,862.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,791.29 : 38,342.46 = 15,846.04 : x
  2. Step 2: Convert to fraction form
    27,791.29/38,342.46 = 15,846.04/x
  3. Step 3: Cross multiply
    27,791.29x = 38,342.46 × 15,846.04
  4. Step 4: Simplify right side
    27,791.29x = 607,576,154.86
  5. Step 5: Solve for x
    x = 607,576,154.86/27,791.29
  6. Step 6: Final answer
    x = 21,862.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.