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Finding the Fourth Proportional to 27,389.95, 41,091.08 and 8,671.11

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Solution

The fourth proportional to 27,389.95, 41,091.08 and 8,671.11 is: 13,008.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,389.95 : 41,091.08 = 8,671.11 : x
  2. Step 2: Convert to fraction form
    27,389.95/41,091.08 = 8,671.11/x
  3. Step 3: Cross multiply
    27,389.95x = 41,091.08 × 8,671.11
  4. Step 4: Simplify right side
    27,389.95x = 356,305,077.25
  5. Step 5: Solve for x
    x = 356,305,077.25/27,389.95
  6. Step 6: Final answer
    x = 13,008.61

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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.