Home / 19,727.60-29,608.20-8,049.20

Finding the Fourth Proportional to 19,727.60, 29,608.20 and 8,049.20

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Solution

The fourth proportional to 19,727.60, 29,608.20 and 8,049.20 is: 12,080.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.60 : 29,608.20 = 8,049.20 : x
  2. Step 2: Convert to fraction form
    19,727.60/29,608.20 = 8,049.20/x
  3. Step 3: Cross multiply
    19,727.60x = 29,608.20 × 8,049.20
  4. Step 4: Simplify right side
    19,727.60x = 238,322,323.44
  5. Step 5: Solve for x
    x = 238,322,323.44/19,727.60
  6. Step 6: Final answer
    x = 12,080.65

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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.