Home / 19,127.20-28,680.90-5,976.04

Finding the Fourth Proportional to 19,127.20, 28,680.90 and 5,976.04

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Solution

The fourth proportional to 19,127.20, 28,680.90 and 5,976.04 is: 8,960.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.20 : 28,680.90 = 5,976.04 : x
  2. Step 2: Convert to fraction form
    19,127.20/28,680.90 = 5,976.04/x
  3. Step 3: Cross multiply
    19,127.20x = 28,680.90 × 5,976.04
  4. Step 4: Simplify right side
    19,127.20x = 171,398,205.64
  5. Step 5: Solve for x
    x = 171,398,205.64/19,127.20
  6. Step 6: Final answer
    x = 8,960.97

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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.