Home / 27,616.11-38,109.19-16,878.96

Finding the Fourth Proportional to 27,616.11, 38,109.19 and 16,878.96

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Solution

The fourth proportional to 27,616.11, 38,109.19 and 16,878.96 is: 23,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,616.11 : 38,109.19 = 16,878.96 : x
  2. Step 2: Convert to fraction form
    27,616.11/38,109.19 = 16,878.96/x
  3. Step 3: Cross multiply
    27,616.11x = 38,109.19 × 16,878.96
  4. Step 4: Simplify right side
    27,616.11x = 643,243,493.64
  5. Step 5: Solve for x
    x = 643,243,493.64/27,616.11
  6. Step 6: Final answer
    x = 23,292.33

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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.