Home / 27,424.68-41,142.80-8,702.24

Finding the Fourth Proportional to 27,424.68, 41,142.80 and 8,702.24

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Solution

The fourth proportional to 27,424.68, 41,142.80 and 8,702.24 is: 13,055.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,424.68 : 41,142.80 = 8,702.24 : x
  2. Step 2: Convert to fraction form
    27,424.68/41,142.80 = 8,702.24/x
  3. Step 3: Cross multiply
    27,424.68x = 41,142.80 × 8,702.24
  4. Step 4: Simplify right side
    27,424.68x = 358,034,335.91
  5. Step 5: Solve for x
    x = 358,034,335.91/27,424.68
  6. Step 6: Final answer
    x = 13,055.19

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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.