Home / 27,855.32-41,764.29-10,972.90

Finding the Fourth Proportional to 27,855.32, 41,764.29 and 10,972.90

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Solution

The fourth proportional to 27,855.32, 41,764.29 and 10,972.90 is: 16,451.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,855.32 : 41,764.29 = 10,972.90 : x
  2. Step 2: Convert to fraction form
    27,855.32/41,764.29 = 10,972.90/x
  3. Step 3: Cross multiply
    27,855.32x = 41,764.29 × 10,972.90
  4. Step 4: Simplify right side
    27,855.32x = 458,275,377.74
  5. Step 5: Solve for x
    x = 458,275,377.74/27,855.32
  6. Step 6: Final answer
    x = 16,451.99

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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.