Home / 20,794.34-31,144.80-16,081.22

Finding the Fourth Proportional to 20,794.34, 31,144.80 and 16,081.22

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Solution

The fourth proportional to 20,794.34, 31,144.80 and 16,081.22 is: 24,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.34 : 31,144.80 = 16,081.22 : x
  2. Step 2: Convert to fraction form
    20,794.34/31,144.80 = 16,081.22/x
  3. Step 3: Cross multiply
    20,794.34x = 31,144.80 × 16,081.22
  4. Step 4: Simplify right side
    20,794.34x = 500,846,380.66
  5. Step 5: Solve for x
    x = 500,846,380.66/20,794.34
  6. Step 6: Final answer
    x = 24,085.71

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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.