Home / 25,452.78-38,190.51-9,871.62

Finding the Fourth Proportional to 25,452.78, 38,190.51 and 9,871.62

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Solution

The fourth proportional to 25,452.78, 38,190.51 and 9,871.62 is: 14,811.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,452.78 : 38,190.51 = 9,871.62 : x
  2. Step 2: Convert to fraction form
    25,452.78/38,190.51 = 9,871.62/x
  3. Step 3: Cross multiply
    25,452.78x = 38,190.51 × 9,871.62
  4. Step 4: Simplify right side
    25,452.78x = 377,002,202.33
  5. Step 5: Solve for x
    x = 377,002,202.33/25,452.78
  6. Step 6: Final answer
    x = 14,811.83

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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.