Home / 18,902.12-28,324.44-9,027.80

Finding the Fourth Proportional to 18,902.12, 28,324.44 and 9,027.80

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Solution

The fourth proportional to 18,902.12, 28,324.44 and 9,027.80 is: 13,527.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902.12 : 28,324.44 = 9,027.80 : x
  2. Step 2: Convert to fraction form
    18,902.12/28,324.44 = 9,027.80/x
  3. Step 3: Cross multiply
    18,902.12x = 28,324.44 × 9,027.80
  4. Step 4: Simplify right side
    18,902.12x = 255,707,379.43
  5. Step 5: Solve for x
    x = 255,707,379.43/18,902.12
  6. Step 6: Final answer
    x = 13,527.97

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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.