Home / 27,442.56-37,876.20-15,506.04

Finding the Fourth Proportional to 27,442.56, 37,876.20 and 15,506.04

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Solution

The fourth proportional to 27,442.56, 37,876.20 and 15,506.04 is: 21,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,442.56 : 37,876.20 = 15,506.04 : x
  2. Step 2: Convert to fraction form
    27,442.56/37,876.20 = 15,506.04/x
  3. Step 3: Cross multiply
    27,442.56x = 37,876.20 × 15,506.04
  4. Step 4: Simplify right side
    27,442.56x = 587,309,872.25
  5. Step 5: Solve for x
    x = 587,309,872.25/27,442.56
  6. Step 6: Final answer
    x = 21,401.42

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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.