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Finding the Fourth Proportional to 27,674.50, 41,512.11 and 9,206.50

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Solution

The fourth proportional to 27,674.50, 41,512.11 and 9,206.50 is: 13,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,674.50 : 41,512.11 = 9,206.50 : x
  2. Step 2: Convert to fraction form
    27,674.50/41,512.11 = 9,206.50/x
  3. Step 3: Cross multiply
    27,674.50x = 41,512.11 × 9,206.50
  4. Step 4: Simplify right side
    27,674.50x = 382,181,240.72
  5. Step 5: Solve for x
    x = 382,181,240.72/27,674.50
  6. Step 6: Final answer
    x = 13,809.87

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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.