Home / 25,357.80-34,993.26-15,792.87

Finding the Fourth Proportional to 25,357.80, 34,993.26 and 15,792.87

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Solution

The fourth proportional to 25,357.80, 34,993.26 and 15,792.87 is: 21,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.80 : 34,993.26 = 15,792.87 : x
  2. Step 2: Convert to fraction form
    25,357.80/34,993.26 = 15,792.87/x
  3. Step 3: Cross multiply
    25,357.80x = 34,993.26 × 15,792.87
  4. Step 4: Simplify right side
    25,357.80x = 552,644,006.06
  5. Step 5: Solve for x
    x = 552,644,006.06/25,357.80
  6. Step 6: Final answer
    x = 21,793.85

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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.