Home / 27,013.59-37,275-15,074.61

Finding the Fourth Proportional to 27,013.59, 37,275 and 15,074.61

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Solution

The fourth proportional to 27,013.59, 37,275 and 15,074.61 is: 20,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,013.59 : 37,275 = 15,074.61 : x
  2. Step 2: Convert to fraction form
    27,013.59/37,275 = 15,074.61/x
  3. Step 3: Cross multiply
    27,013.59x = 37,275 × 15,074.61
  4. Step 4: Simplify right side
    27,013.59x = 561,906,087.75
  5. Step 5: Solve for x
    x = 561,906,087.75/27,013.59
  6. Step 6: Final answer
    x = 20,800.87

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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.