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Finding the Fourth Proportional to 27,229.68, 40,771.08 and 18,892.08

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Solution

The fourth proportional to 27,229.68, 40,771.08 and 18,892.08 is: 28,287.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,229.68 : 40,771.08 = 18,892.08 : x
  2. Step 2: Convert to fraction form
    27,229.68/40,771.08 = 18,892.08/x
  3. Step 3: Cross multiply
    27,229.68x = 40,771.08 × 18,892.08
  4. Step 4: Simplify right side
    27,229.68x = 770,250,505.05
  5. Step 5: Solve for x
    x = 770,250,505.05/27,229.68
  6. Step 6: Final answer
    x = 28,287.17

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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.