Home / 27,822.74-41,687.18-13,764.02

Finding the Fourth Proportional to 27,822.74, 41,687.18 and 13,764.02

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Solution

The fourth proportional to 27,822.74, 41,687.18 and 13,764.02 is: 20,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822.74 : 41,687.18 = 13,764.02 : x
  2. Step 2: Convert to fraction form
    27,822.74/41,687.18 = 13,764.02/x
  3. Step 3: Cross multiply
    27,822.74x = 41,687.18 × 13,764.02
  4. Step 4: Simplify right side
    27,822.74x = 573,783,179.26
  5. Step 5: Solve for x
    x = 573,783,179.26/27,822.74
  6. Step 6: Final answer
    x = 20,622.81

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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.