Home / 28,863.22-43,297.38-8,086.78

Finding the Fourth Proportional to 28,863.22, 43,297.38 and 8,086.78

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Solution

The fourth proportional to 28,863.22, 43,297.38 and 8,086.78 is: 12,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.22 : 43,297.38 = 8,086.78 : x
  2. Step 2: Convert to fraction form
    28,863.22/43,297.38 = 8,086.78/x
  3. Step 3: Cross multiply
    28,863.22x = 43,297.38 × 8,086.78
  4. Step 4: Simplify right side
    28,863.22x = 350,136,248.07
  5. Step 5: Solve for x
    x = 350,136,248.07/28,863.22
  6. Step 6: Final answer
    x = 12,130.88

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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.