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Finding the Fourth Proportional to 27,955.68, 41,919.04 and 8,231.64

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Solution

The fourth proportional to 27,955.68, 41,919.04 and 8,231.64 is: 12,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,955.68 : 41,919.04 = 8,231.64 : x
  2. Step 2: Convert to fraction form
    27,955.68/41,919.04 = 8,231.64/x
  3. Step 3: Cross multiply
    27,955.68x = 41,919.04 × 8,231.64
  4. Step 4: Simplify right side
    27,955.68x = 345,062,446.43
  5. Step 5: Solve for x
    x = 345,062,446.43/27,955.68
  6. Step 6: Final answer
    x = 12,343.20

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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.