Home / 19,226.20-28,839.30-15,338.20

Finding the Fourth Proportional to 19,226.20, 28,839.30 and 15,338.20

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Solution

The fourth proportional to 19,226.20, 28,839.30 and 15,338.20 is: 23,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.20 : 28,839.30 = 15,338.20 : x
  2. Step 2: Convert to fraction form
    19,226.20/28,839.30 = 15,338.20/x
  3. Step 3: Cross multiply
    19,226.20x = 28,839.30 × 15,338.20
  4. Step 4: Simplify right side
    19,226.20x = 442,342,951.26
  5. Step 5: Solve for x
    x = 442,342,951.26/19,226.20
  6. Step 6: Final answer
    x = 23,007.30

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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.