Home / 25,640.25-38,478.60-10,057.88

Finding the Fourth Proportional to 25,640.25, 38,478.60 and 10,057.88

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Solution

The fourth proportional to 25,640.25, 38,478.60 and 10,057.88 is: 15,093.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.25 : 38,478.60 = 10,057.88 : x
  2. Step 2: Convert to fraction form
    25,640.25/38,478.60 = 10,057.88/x
  3. Step 3: Cross multiply
    25,640.25x = 38,478.60 × 10,057.88
  4. Step 4: Simplify right side
    25,640.25x = 387,012,948.98
  5. Step 5: Solve for x
    x = 387,012,948.98/25,640.25
  6. Step 6: Final answer
    x = 15,093.96

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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.