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Finding the Fourth Proportional to 27,414.54, 41,108.84 and 12,619.08

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Solution

The fourth proportional to 27,414.54, 41,108.84 and 12,619.08 is: 18,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,414.54 : 41,108.84 = 12,619.08 : x
  2. Step 2: Convert to fraction form
    27,414.54/41,108.84 = 12,619.08/x
  3. Step 3: Cross multiply
    27,414.54x = 41,108.84 × 12,619.08
  4. Step 4: Simplify right side
    27,414.54x = 518,755,740.67
  5. Step 5: Solve for x
    x = 518,755,740.67/27,414.54
  6. Step 6: Final answer
    x = 18,922.65

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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.