Home / 27,813-41,734.20-15,171.88

Finding the Fourth Proportional to 27,813, 41,734.20 and 15,171.88

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Solution

The fourth proportional to 27,813, 41,734.20 and 15,171.88 is: 22,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,813 : 41,734.20 = 15,171.88 : x
  2. Step 2: Convert to fraction form
    27,813/41,734.20 = 15,171.88/x
  3. Step 3: Cross multiply
    27,813x = 41,734.20 × 15,171.88
  4. Step 4: Simplify right side
    27,813x = 633,186,274.30
  5. Step 5: Solve for x
    x = 633,186,274.30/27,813
  6. Step 6: Final answer
    x = 22,765.84

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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.