Home / 28,883.70-43,327.85-11,122.97

Finding the Fourth Proportional to 28,883.70, 43,327.85 and 11,122.97

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Solution

The fourth proportional to 28,883.70, 43,327.85 and 11,122.97 is: 16,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.70 : 43,327.85 = 11,122.97 : x
  2. Step 2: Convert to fraction form
    28,883.70/43,327.85 = 11,122.97/x
  3. Step 3: Cross multiply
    28,883.70x = 43,327.85 × 11,122.97
  4. Step 4: Simplify right side
    28,883.70x = 481,934,375.71
  5. Step 5: Solve for x
    x = 481,934,375.71/28,883.70
  6. Step 6: Final answer
    x = 16,685.34

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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.