Home / 25,949.89-38,918.35-8,424.73

Finding the Fourth Proportional to 25,949.89, 38,918.35 and 8,424.73

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Solution

The fourth proportional to 25,949.89, 38,918.35 and 8,424.73 is: 12,634.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.89 : 38,918.35 = 8,424.73 : x
  2. Step 2: Convert to fraction form
    25,949.89/38,918.35 = 8,424.73/x
  3. Step 3: Cross multiply
    25,949.89x = 38,918.35 × 8,424.73
  4. Step 4: Simplify right side
    25,949.89x = 327,876,590.80
  5. Step 5: Solve for x
    x = 327,876,590.80/25,949.89
  6. Step 6: Final answer
    x = 12,634.99

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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.