Home / 25,608.10-38,436.45-15,766.60

Finding the Fourth Proportional to 25,608.10, 38,436.45 and 15,766.60

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Solution

The fourth proportional to 25,608.10, 38,436.45 and 15,766.60 is: 23,664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.10 : 38,436.45 = 15,766.60 : x
  2. Step 2: Convert to fraction form
    25,608.10/38,436.45 = 15,766.60/x
  3. Step 3: Cross multiply
    25,608.10x = 38,436.45 × 15,766.60
  4. Step 4: Simplify right side
    25,608.10x = 606,012,132.57
  5. Step 5: Solve for x
    x = 606,012,132.57/25,608.10
  6. Step 6: Final answer
    x = 23,664.86

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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.