Home / 25,092.57-34,540.82-21,688.02

Finding the Fourth Proportional to 25,092.57, 34,540.82 and 21,688.02

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Solution

The fourth proportional to 25,092.57, 34,540.82 and 21,688.02 is: 29,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,092.57 : 34,540.82 = 21,688.02 : x
  2. Step 2: Convert to fraction form
    25,092.57/34,540.82 = 21,688.02/x
  3. Step 3: Cross multiply
    25,092.57x = 34,540.82 × 21,688.02
  4. Step 4: Simplify right side
    25,092.57x = 749,121,994.98
  5. Step 5: Solve for x
    x = 749,121,994.98/25,092.57
  6. Step 6: Final answer
    x = 29,854.34

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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.