Home / 20,110.23-30,187.41-15,976.80

Finding the Fourth Proportional to 20,110.23, 30,187.41 and 15,976.80

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Solution

The fourth proportional to 20,110.23, 30,187.41 and 15,976.80 is: 23,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.23 : 30,187.41 = 15,976.80 : x
  2. Step 2: Convert to fraction form
    20,110.23/30,187.41 = 15,976.80/x
  3. Step 3: Cross multiply
    20,110.23x = 30,187.41 × 15,976.80
  4. Step 4: Simplify right side
    20,110.23x = 482,298,212.09
  5. Step 5: Solve for x
    x = 482,298,212.09/20,110.23
  6. Step 6: Final answer
    x = 23,982.73

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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.