Home / 28,773.01-43,142.23-11,251.09

Finding the Fourth Proportional to 28,773.01, 43,142.23 and 11,251.09

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Solution

The fourth proportional to 28,773.01, 43,142.23 and 11,251.09 is: 16,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773.01 : 43,142.23 = 11,251.09 : x
  2. Step 2: Convert to fraction form
    28,773.01/43,142.23 = 11,251.09/x
  3. Step 3: Cross multiply
    28,773.01x = 43,142.23 × 11,251.09
  4. Step 4: Simplify right side
    28,773.01x = 485,397,112.53
  5. Step 5: Solve for x
    x = 485,397,112.53/28,773.01
  6. Step 6: Final answer
    x = 16,869.88

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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.