Home / 25,635.15-38,452.48-8,104.98

Finding the Fourth Proportional to 25,635.15, 38,452.48 and 8,104.98

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Solution

The fourth proportional to 25,635.15, 38,452.48 and 8,104.98 is: 12,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,635.15 : 38,452.48 = 8,104.98 : x
  2. Step 2: Convert to fraction form
    25,635.15/38,452.48 = 8,104.98/x
  3. Step 3: Cross multiply
    25,635.15x = 38,452.48 × 8,104.98
  4. Step 4: Simplify right side
    25,635.15x = 311,656,581.35
  5. Step 5: Solve for x
    x = 311,656,581.35/25,635.15
  6. Step 6: Final answer
    x = 12,157.39

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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.