Home / 23,635.20-35,452.80-18,105.60

Finding the Fourth Proportional to 23,635.20, 35,452.80 and 18,105.60

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Solution

The fourth proportional to 23,635.20, 35,452.80 and 18,105.60 is: 27,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,635.20 : 35,452.80 = 18,105.60 : x
  2. Step 2: Convert to fraction form
    23,635.20/35,452.80 = 18,105.60/x
  3. Step 3: Cross multiply
    23,635.20x = 35,452.80 × 18,105.60
  4. Step 4: Simplify right side
    23,635.20x = 641,894,215.68
  5. Step 5: Solve for x
    x = 641,894,215.68/23,635.20
  6. Step 6: Final answer
    x = 27,158.40

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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.