Home / 25,651.26-38,481.75-8,119.62

Finding the Fourth Proportional to 25,651.26, 38,481.75 and 8,119.62

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Solution

The fourth proportional to 25,651.26, 38,481.75 and 8,119.62 is: 12,180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.26 : 38,481.75 = 8,119.62 : x
  2. Step 2: Convert to fraction form
    25,651.26/38,481.75 = 8,119.62/x
  3. Step 3: Cross multiply
    25,651.26x = 38,481.75 × 8,119.62
  4. Step 4: Simplify right side
    25,651.26x = 312,457,186.94
  5. Step 5: Solve for x
    x = 312,457,186.94/25,651.26
  6. Step 6: Final answer
    x = 12,180.97

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1.5x scale

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.