Home / 27,310.26-37,685.74-15,209.82

Finding the Fourth Proportional to 27,310.26, 37,685.74 and 15,209.82

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Solution

The fourth proportional to 27,310.26, 37,685.74 and 15,209.82 is: 20,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.26 : 37,685.74 = 15,209.82 : x
  2. Step 2: Convert to fraction form
    27,310.26/37,685.74 = 15,209.82/x
  3. Step 3: Cross multiply
    27,310.26x = 37,685.74 × 15,209.82
  4. Step 4: Simplify right side
    27,310.26x = 573,193,321.97
  5. Step 5: Solve for x
    x = 573,193,321.97/27,310.26
  6. Step 6: Final answer
    x = 20,988.20

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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.