Home / 25,881.17-38,789.33-11,072.75

Finding the Fourth Proportional to 25,881.17, 38,789.33 and 11,072.75

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Solution

The fourth proportional to 25,881.17, 38,789.33 and 11,072.75 is: 16,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881.17 : 38,789.33 = 11,072.75 : x
  2. Step 2: Convert to fraction form
    25,881.17/38,789.33 = 11,072.75/x
  3. Step 3: Cross multiply
    25,881.17x = 38,789.33 × 11,072.75
  4. Step 4: Simplify right side
    25,881.17x = 429,504,304.45
  5. Step 5: Solve for x
    x = 429,504,304.45/25,881.17
  6. Step 6: Final answer
    x = 16,595.25

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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.