Home / 25,378.76-38,072.19-8,734.70

Finding the Fourth Proportional to 25,378.76, 38,072.19 and 8,734.70

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Solution

The fourth proportional to 25,378.76, 38,072.19 and 8,734.70 is: 13,103.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.76 : 38,072.19 = 8,734.70 : x
  2. Step 2: Convert to fraction form
    25,378.76/38,072.19 = 8,734.70/x
  3. Step 3: Cross multiply
    25,378.76x = 38,072.19 × 8,734.70
  4. Step 4: Simplify right side
    25,378.76x = 332,549,157.99
  5. Step 5: Solve for x
    x = 332,549,157.99/25,378.76
  6. Step 6: Final answer
    x = 13,103.44

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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.