Home / 27,961.11-41,886.27-18,107.28

Finding the Fourth Proportional to 27,961.11, 41,886.27 and 18,107.28

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Solution

The fourth proportional to 27,961.11, 41,886.27 and 18,107.28 is: 27,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,961.11 : 41,886.27 = 18,107.28 : x
  2. Step 2: Convert to fraction form
    27,961.11/41,886.27 = 18,107.28/x
  3. Step 3: Cross multiply
    27,961.11x = 41,886.27 × 18,107.28
  4. Step 4: Simplify right side
    27,961.11x = 758,446,419.05
  5. Step 5: Solve for x
    x = 758,446,419.05/27,961.11
  6. Step 6: Final answer
    x = 27,125.05

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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.