Home / 25,158.78-37,735.97-8,518.43

Finding the Fourth Proportional to 25,158.78, 37,735.97 and 8,518.43

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Solution

The fourth proportional to 25,158.78, 37,735.97 and 8,518.43 is: 12,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,158.78 : 37,735.97 = 8,518.43 : x
  2. Step 2: Convert to fraction form
    25,158.78/37,735.97 = 8,518.43/x
  3. Step 3: Cross multiply
    25,158.78x = 37,735.97 × 8,518.43
  4. Step 4: Simplify right side
    25,158.78x = 321,451,270.67
  5. Step 5: Solve for x
    x = 321,451,270.67/25,158.78
  6. Step 6: Final answer
    x = 12,776.90

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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.