Home / 27,916.11-38,524.55-15,169.41

Finding the Fourth Proportional to 27,916.11, 38,524.55 and 15,169.41

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Solution

The fourth proportional to 27,916.11, 38,524.55 and 15,169.41 is: 20,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.11 : 38,524.55 = 15,169.41 : x
  2. Step 2: Convert to fraction form
    27,916.11/38,524.55 = 15,169.41/x
  3. Step 3: Cross multiply
    27,916.11x = 38,524.55 × 15,169.41
  4. Step 4: Simplify right side
    27,916.11x = 584,394,618.17
  5. Step 5: Solve for x
    x = 584,394,618.17/27,916.11
  6. Step 6: Final answer
    x = 20,933.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.