Home / 20,158.87-27,832.82-18,027.79

Finding the Fourth Proportional to 20,158.87, 27,832.82 and 18,027.79

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Solution

The fourth proportional to 20,158.87, 27,832.82 and 18,027.79 is: 24,890.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.87 : 27,832.82 = 18,027.79 : x
  2. Step 2: Convert to fraction form
    20,158.87/27,832.82 = 18,027.79/x
  3. Step 3: Cross multiply
    20,158.87x = 27,832.82 × 18,027.79
  4. Step 4: Simplify right side
    20,158.87x = 501,764,234.07
  5. Step 5: Solve for x
    x = 501,764,234.07/20,158.87
  6. Step 6: Final answer
    x = 24,890.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.