Home / 25,499.03-38,250.23-6,778.80

Finding the Fourth Proportional to 25,499.03, 38,250.23 and 6,778.80

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Solution

The fourth proportional to 25,499.03, 38,250.23 and 6,778.80 is: 10,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,499.03 : 38,250.23 = 6,778.80 : x
  2. Step 2: Convert to fraction form
    25,499.03/38,250.23 = 6,778.80/x
  3. Step 3: Cross multiply
    25,499.03x = 38,250.23 × 6,778.80
  4. Step 4: Simplify right side
    25,499.03x = 259,290,625.23
  5. Step 5: Solve for x
    x = 259,290,625.23/25,499.03
  6. Step 6: Final answer
    x = 10,168.65

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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.