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Finding the Fourth Proportional to 27,456.30, 41,184.09 and 6,679.82

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Solution

The fourth proportional to 27,456.30, 41,184.09 and 6,679.82 is: 10,019.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,456.30 : 41,184.09 = 6,679.82 : x
  2. Step 2: Convert to fraction form
    27,456.30/41,184.09 = 6,679.82/x
  3. Step 3: Cross multiply
    27,456.30x = 41,184.09 × 6,679.82
  4. Step 4: Simplify right side
    27,456.30x = 275,102,308.06
  5. Step 5: Solve for x
    x = 275,102,308.06/27,456.30
  6. Step 6: Final answer
    x = 10,019.64

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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.