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Finding the Fourth Proportional to 27,999.92, 41,987.10 and 12,204.29

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Solution

The fourth proportional to 27,999.92, 41,987.10 and 12,204.29 is: 18,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,999.92 : 41,987.10 = 12,204.29 : x
  2. Step 2: Convert to fraction form
    27,999.92/41,987.10 = 12,204.29/x
  3. Step 3: Cross multiply
    27,999.92x = 41,987.10 × 12,204.29
  4. Step 4: Simplify right side
    27,999.92x = 512,422,744.66
  5. Step 5: Solve for x
    x = 512,422,744.66/27,999.92
  6. Step 6: Final answer
    x = 18,300.86

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1.5x scale

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.