Home / 27,615.11-38,107.82-16,877.96

Finding the Fourth Proportional to 27,615.11, 38,107.82 and 16,877.96

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Solution

The fourth proportional to 27,615.11, 38,107.82 and 16,877.96 is: 23,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,615.11 : 38,107.82 = 16,877.96 : x
  2. Step 2: Convert to fraction form
    27,615.11/38,107.82 = 16,877.96/x
  3. Step 3: Cross multiply
    27,615.11x = 38,107.82 × 16,877.96
  4. Step 4: Simplify right side
    27,615.11x = 643,181,986.72
  5. Step 5: Solve for x
    x = 643,181,986.72/27,615.11
  6. Step 6: Final answer
    x = 23,290.95

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1.5x scale

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.