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Finding the Fourth Proportional to 25,441.40, 38,120.34 and 24,469.40

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Solution

The fourth proportional to 25,441.40, 38,120.34 and 24,469.40 is: 36,663.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,441.40 : 38,120.34 = 24,469.40 : x
  2. Step 2: Convert to fraction form
    25,441.40/38,120.34 = 24,469.40/x
  3. Step 3: Cross multiply
    25,441.40x = 38,120.34 × 24,469.40
  4. Step 4: Simplify right side
    25,441.40x = 932,781,847.60
  5. Step 5: Solve for x
    x = 932,781,847.60/25,441.40
  6. Step 6: Final answer
    x = 36,663.94

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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.