Home / 27,845.56-41,694.44-21,781.20

Finding the Fourth Proportional to 27,845.56, 41,694.44 and 21,781.20

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Solution

The fourth proportional to 27,845.56, 41,694.44 and 21,781.20 is: 32,613.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.56 : 41,694.44 = 21,781.20 : x
  2. Step 2: Convert to fraction form
    27,845.56/41,694.44 = 21,781.20/x
  3. Step 3: Cross multiply
    27,845.56x = 41,694.44 × 21,781.20
  4. Step 4: Simplify right side
    27,845.56x = 908,154,936.53
  5. Step 5: Solve for x
    x = 908,154,936.53/27,845.56
  6. Step 6: Final answer
    x = 32,613.99

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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.