Home / 27,786.20-41,676.98-10,919.56

Finding the Fourth Proportional to 27,786.20, 41,676.98 and 10,919.56

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Solution

The fourth proportional to 27,786.20, 41,676.98 and 10,919.56 is: 16,378.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,786.20 : 41,676.98 = 10,919.56 : x
  2. Step 2: Convert to fraction form
    27,786.20/41,676.98 = 10,919.56/x
  3. Step 3: Cross multiply
    27,786.20x = 41,676.98 × 10,919.56
  4. Step 4: Simplify right side
    27,786.20x = 455,094,283.73
  5. Step 5: Solve for x
    x = 455,094,283.73/27,786.20
  6. Step 6: Final answer
    x = 16,378.43

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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.