Home / 27,948.92-41,923.32-7,172.42

Finding the Fourth Proportional to 27,948.92, 41,923.32 and 7,172.42

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Solution

The fourth proportional to 27,948.92, 41,923.32 and 7,172.42 is: 10,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.92 : 41,923.32 = 7,172.42 : x
  2. Step 2: Convert to fraction form
    27,948.92/41,923.32 = 7,172.42/x
  3. Step 3: Cross multiply
    27,948.92x = 41,923.32 × 7,172.42
  4. Step 4: Simplify right side
    27,948.92x = 300,691,449.22
  5. Step 5: Solve for x
    x = 300,691,449.22/27,948.92
  6. Step 6: Final answer
    x = 10,758.61

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1.5x scale

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.