Home / 18,550.85-27,793.87-15,450.77

Finding the Fourth Proportional to 18,550.85, 27,793.87 and 15,450.77

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Solution

The fourth proportional to 18,550.85, 27,793.87 and 15,450.77 is: 23,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.85 : 27,793.87 = 15,450.77 : x
  2. Step 2: Convert to fraction form
    18,550.85/27,793.87 = 15,450.77/x
  3. Step 3: Cross multiply
    18,550.85x = 27,793.87 × 15,450.77
  4. Step 4: Simplify right side
    18,550.85x = 429,436,723.64
  5. Step 5: Solve for x
    x = 429,436,723.64/18,550.85
  6. Step 6: Final answer
    x = 23,149.17

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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.