Home / 25,989.56-35,866.25-15,923.55

Finding the Fourth Proportional to 25,989.56, 35,866.25 and 15,923.55

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Solution

The fourth proportional to 25,989.56, 35,866.25 and 15,923.55 is: 21,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,989.56 : 35,866.25 = 15,923.55 : x
  2. Step 2: Convert to fraction form
    25,989.56/35,866.25 = 15,923.55/x
  3. Step 3: Cross multiply
    25,989.56x = 35,866.25 × 15,923.55
  4. Step 4: Simplify right side
    25,989.56x = 571,117,945.57
  5. Step 5: Solve for x
    x = 571,117,945.57/25,989.56
  6. Step 6: Final answer
    x = 21,974.90

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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.