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Finding the Fourth Proportional to 27,560.84, 41,348.19 and 7,839.39

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Solution

The fourth proportional to 27,560.84, 41,348.19 and 7,839.39 is: 11,761.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,560.84 : 41,348.19 = 7,839.39 : x
  2. Step 2: Convert to fraction form
    27,560.84/41,348.19 = 7,839.39/x
  3. Step 3: Cross multiply
    27,560.84x = 41,348.19 × 7,839.39
  4. Step 4: Simplify right side
    27,560.84x = 324,144,771.66
  5. Step 5: Solve for x
    x = 324,144,771.66/27,560.84
  6. Step 6: Final answer
    x = 11,761.06

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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.