Home / 31,892.40-47,821.05-15,256.62

Finding the Fourth Proportional to 31,892.40, 47,821.05 and 15,256.62

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Solution

The fourth proportional to 31,892.40, 47,821.05 and 15,256.62 is: 22,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,892.40 : 47,821.05 = 15,256.62 : x
  2. Step 2: Convert to fraction form
    31,892.40/47,821.05 = 15,256.62/x
  3. Step 3: Cross multiply
    31,892.40x = 47,821.05 × 15,256.62
  4. Step 4: Simplify right side
    31,892.40x = 729,587,587.85
  5. Step 5: Solve for x
    x = 729,587,587.85/31,892.40
  6. Step 6: Final answer
    x = 22,876.53

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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.