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Finding the Fourth Proportional to 27,330.66, 41,000.66 and 12,540.84

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Solution

The fourth proportional to 27,330.66, 41,000.66 and 12,540.84 is: 18,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,330.66 : 41,000.66 = 12,540.84 : x
  2. Step 2: Convert to fraction form
    27,330.66/41,000.66 = 12,540.84/x
  3. Step 3: Cross multiply
    27,330.66x = 41,000.66 × 12,540.84
  4. Step 4: Simplify right side
    27,330.66x = 514,182,716.95
  5. Step 5: Solve for x
    x = 514,182,716.95/27,330.66
  6. Step 6: Final answer
    x = 18,813.40

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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.