Home / 25,093.83-34,542.55-21,689.28

Finding the Fourth Proportional to 25,093.83, 34,542.55 and 21,689.28

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Solution

The fourth proportional to 25,093.83, 34,542.55 and 21,689.28 is: 29,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,093.83 : 34,542.55 = 21,689.28 : x
  2. Step 2: Convert to fraction form
    25,093.83/34,542.55 = 21,689.28/x
  3. Step 3: Cross multiply
    25,093.83x = 34,542.55 × 21,689.28
  4. Step 4: Simplify right side
    25,093.83x = 749,202,757.70
  5. Step 5: Solve for x
    x = 749,202,757.70/25,093.83
  6. Step 6: Final answer
    x = 29,856.06

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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.