Home / 27,404.80-41,107.12-21,173.84

Finding the Fourth Proportional to 27,404.80, 41,107.12 and 21,173.84

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Solution

The fourth proportional to 27,404.80, 41,107.12 and 21,173.84 is: 31,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,404.80 : 41,107.12 = 21,173.84 : x
  2. Step 2: Convert to fraction form
    27,404.80/41,107.12 = 21,173.84/x
  3. Step 3: Cross multiply
    27,404.80x = 41,107.12 × 21,173.84
  4. Step 4: Simplify right side
    27,404.80x = 870,395,581.74
  5. Step 5: Solve for x
    x = 870,395,581.74/27,404.80
  6. Step 6: Final answer
    x = 31,760.70

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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.