Home / 27,924.40-41,872.20-10,385.20

Finding the Fourth Proportional to 27,924.40, 41,872.20 and 10,385.20

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Solution

The fourth proportional to 27,924.40, 41,872.20 and 10,385.20 is: 15,572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,924.40 : 41,872.20 = 10,385.20 : x
  2. Step 2: Convert to fraction form
    27,924.40/41,872.20 = 10,385.20/x
  3. Step 3: Cross multiply
    27,924.40x = 41,872.20 × 10,385.20
  4. Step 4: Simplify right side
    27,924.40x = 434,851,171.44
  5. Step 5: Solve for x
    x = 434,851,171.44/27,924.40
  6. Step 6: Final answer
    x = 15,572.44

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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.