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Finding the Fourth Proportional to 27,951.88, 41,927.40 and 6,892.18

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Solution

The fourth proportional to 27,951.88, 41,927.40 and 6,892.18 is: 10,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,951.88 : 41,927.40 = 6,892.18 : x
  2. Step 2: Convert to fraction form
    27,951.88/41,927.40 = 6,892.18/x
  3. Step 3: Cross multiply
    27,951.88x = 41,927.40 × 6,892.18
  4. Step 4: Simplify right side
    27,951.88x = 288,971,187.73
  5. Step 5: Solve for x
    x = 288,971,187.73/27,951.88
  6. Step 6: Final answer
    x = 10,338.17

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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.