Home / 18,228-27,347.27-5,749.75

Finding the Fourth Proportional to 18,228, 27,347.27 and 5,749.75

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Solution

The fourth proportional to 18,228, 27,347.27 and 5,749.75 is: 8,626.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228 : 27,347.27 = 5,749.75 : x
  2. Step 2: Convert to fraction form
    18,228/27,347.27 = 5,749.75/x
  3. Step 3: Cross multiply
    18,228x = 27,347.27 × 5,749.75
  4. Step 4: Simplify right side
    18,228x = 157,239,868.57
  5. Step 5: Solve for x
    x = 157,239,868.57/18,228
  6. Step 6: Final answer
    x = 8,626.28

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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.