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Finding the Fourth Proportional to 27,393.82, 41,091.03 and 9,863.80

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Solution

The fourth proportional to 27,393.82, 41,091.03 and 9,863.80 is: 14,795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,393.82 : 41,091.03 = 9,863.80 : x
  2. Step 2: Convert to fraction form
    27,393.82/41,091.03 = 9,863.80/x
  3. Step 3: Cross multiply
    27,393.82x = 41,091.03 × 9,863.80
  4. Step 4: Simplify right side
    27,393.82x = 405,313,598.99
  5. Step 5: Solve for x
    x = 405,313,598.99/27,393.82
  6. Step 6: Final answer
    x = 14,795.81

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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.