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Finding the Fourth Proportional to 27,608.22, 41,418.95 and 8,890.02

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Solution

The fourth proportional to 27,608.22, 41,418.95 and 8,890.02 is: 13,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608.22 : 41,418.95 = 8,890.02 : x
  2. Step 2: Convert to fraction form
    27,608.22/41,418.95 = 8,890.02/x
  3. Step 3: Cross multiply
    27,608.22x = 41,418.95 × 8,890.02
  4. Step 4: Simplify right side
    27,608.22x = 368,215,249.43
  5. Step 5: Solve for x
    x = 368,215,249.43/27,608.22
  6. Step 6: Final answer
    x = 13,337.16

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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.