Home / 25,630.42-38,451.60-8,099.80

Finding the Fourth Proportional to 25,630.42, 38,451.60 and 8,099.80

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Solution

The fourth proportional to 25,630.42, 38,451.60 and 8,099.80 is: 12,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,630.42 : 38,451.60 = 8,099.80 : x
  2. Step 2: Convert to fraction form
    25,630.42/38,451.60 = 8,099.80/x
  3. Step 3: Cross multiply
    25,630.42x = 38,451.60 × 8,099.80
  4. Step 4: Simplify right side
    25,630.42x = 311,450,269.68
  5. Step 5: Solve for x
    x = 311,450,269.68/25,630.42
  6. Step 6: Final answer
    x = 12,151.59

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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.