Home / 27,972.53-38,469.79-22,239.85

Finding the Fourth Proportional to 27,972.53, 38,469.79 and 22,239.85

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Solution

The fourth proportional to 27,972.53, 38,469.79 and 22,239.85 is: 30,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.53 : 38,469.79 = 22,239.85 : x
  2. Step 2: Convert to fraction form
    27,972.53/38,469.79 = 22,239.85/x
  3. Step 3: Cross multiply
    27,972.53x = 38,469.79 × 22,239.85
  4. Step 4: Simplify right side
    27,972.53x = 855,562,400.08
  5. Step 5: Solve for x
    x = 855,562,400.08/27,972.53
  6. Step 6: Final answer
    x = 30,585.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.