Home / 22,901.20-34,351.80-18,964.60

Finding the Fourth Proportional to 22,901.20, 34,351.80 and 18,964.60

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Solution

The fourth proportional to 22,901.20, 34,351.80 and 18,964.60 is: 28,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,901.20 : 34,351.80 = 18,964.60 : x
  2. Step 2: Convert to fraction form
    22,901.20/34,351.80 = 18,964.60/x
  3. Step 3: Cross multiply
    22,901.20x = 34,351.80 × 18,964.60
  4. Step 4: Simplify right side
    22,901.20x = 651,468,146.28
  5. Step 5: Solve for x
    x = 651,468,146.28/22,901.20
  6. Step 6: Final answer
    x = 28,446.90

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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.