Home / 27,785.13-41,701.28-11,156.42

Finding the Fourth Proportional to 27,785.13, 41,701.28 and 11,156.42

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Solution

The fourth proportional to 27,785.13, 41,701.28 and 11,156.42 is: 16,744.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,785.13 : 41,701.28 = 11,156.42 : x
  2. Step 2: Convert to fraction form
    27,785.13/41,701.28 = 11,156.42/x
  3. Step 3: Cross multiply
    27,785.13x = 41,701.28 × 11,156.42
  4. Step 4: Simplify right side
    27,785.13x = 465,236,729.93
  5. Step 5: Solve for x
    x = 465,236,729.93/27,785.13
  6. Step 6: Final answer
    x = 16,744.09

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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.