Home / 25,755.20-38,632.80-10,964.60

Finding the Fourth Proportional to 25,755.20, 38,632.80 and 10,964.60

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Solution

The fourth proportional to 25,755.20, 38,632.80 and 10,964.60 is: 16,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755.20 : 38,632.80 = 10,964.60 : x
  2. Step 2: Convert to fraction form
    25,755.20/38,632.80 = 10,964.60/x
  3. Step 3: Cross multiply
    25,755.20x = 38,632.80 × 10,964.60
  4. Step 4: Simplify right side
    25,755.20x = 423,593,198.88
  5. Step 5: Solve for x
    x = 423,593,198.88/25,755.20
  6. Step 6: Final answer
    x = 16,446.90

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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.