Home / 27,810.88-41,730-11,170.24

Finding the Fourth Proportional to 27,810.88, 41,730 and 11,170.24

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Solution

The fourth proportional to 27,810.88, 41,730 and 11,170.24 is: 16,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,810.88 : 41,730 = 11,170.24 : x
  2. Step 2: Convert to fraction form
    27,810.88/41,730 = 11,170.24/x
  3. Step 3: Cross multiply
    27,810.88x = 41,730 × 11,170.24
  4. Step 4: Simplify right side
    27,810.88x = 466,134,115.20
  5. Step 5: Solve for x
    x = 466,134,115.20/27,810.88
  6. Step 6: Final answer
    x = 16,760.85

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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.