Home / 25,478.07-38,217.10-7,949.26

Finding the Fourth Proportional to 25,478.07, 38,217.10 and 7,949.26

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Solution

The fourth proportional to 25,478.07, 38,217.10 and 7,949.26 is: 11,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,478.07 : 38,217.10 = 7,949.26 : x
  2. Step 2: Convert to fraction form
    25,478.07/38,217.10 = 7,949.26/x
  3. Step 3: Cross multiply
    25,478.07x = 38,217.10 × 7,949.26
  4. Step 4: Simplify right side
    25,478.07x = 303,797,664.35
  5. Step 5: Solve for x
    x = 303,797,664.35/25,478.07
  6. Step 6: Final answer
    x = 11,923.89

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Similar ratio
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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.