Home / 28,773.70-43,160.55-7,997.20

Finding the Fourth Proportional to 28,773.70, 43,160.55 and 7,997.20

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Solution

The fourth proportional to 28,773.70, 43,160.55 and 7,997.20 is: 11,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773.70 : 43,160.55 = 7,997.20 : x
  2. Step 2: Convert to fraction form
    28,773.70/43,160.55 = 7,997.20/x
  3. Step 3: Cross multiply
    28,773.70x = 43,160.55 × 7,997.20
  4. Step 4: Simplify right side
    28,773.70x = 345,163,550.46
  5. Step 5: Solve for x
    x = 345,163,550.46/28,773.70
  6. Step 6: Final answer
    x = 11,995.80

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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.