Home / 28,718.12-43,077.19-8,998.22

Finding the Fourth Proportional to 28,718.12, 43,077.19 and 8,998.22

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Solution

The fourth proportional to 28,718.12, 43,077.19 and 8,998.22 is: 13,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,718.12 : 43,077.19 = 8,998.22 : x
  2. Step 2: Convert to fraction form
    28,718.12/43,077.19 = 8,998.22/x
  3. Step 3: Cross multiply
    28,718.12x = 43,077.19 × 8,998.22
  4. Step 4: Simplify right side
    28,718.12x = 387,618,032.60
  5. Step 5: Solve for x
    x = 387,618,032.60/28,718.12
  6. Step 6: Final answer
    x = 13,497.33

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Similar ratio
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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.