Home / 19,226.20-28,839.30-8,696.20

Finding the Fourth Proportional to 19,226.20, 28,839.30 and 8,696.20

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Solution

The fourth proportional to 19,226.20, 28,839.30 and 8,696.20 is: 13,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.20 : 28,839.30 = 8,696.20 : x
  2. Step 2: Convert to fraction form
    19,226.20/28,839.30 = 8,696.20/x
  3. Step 3: Cross multiply
    19,226.20x = 28,839.30 × 8,696.20
  4. Step 4: Simplify right side
    19,226.20x = 250,792,320.66
  5. Step 5: Solve for x
    x = 250,792,320.66/19,226.20
  6. Step 6: Final answer
    x = 13,044.30

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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.