Home / 20,074.23-30,155.09-16,385.49

Finding the Fourth Proportional to 20,074.23, 30,155.09 and 16,385.49

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Solution

The fourth proportional to 20,074.23, 30,155.09 and 16,385.49 is: 24,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.23 : 30,155.09 = 16,385.49 : x
  2. Step 2: Convert to fraction form
    20,074.23/30,155.09 = 16,385.49/x
  3. Step 3: Cross multiply
    20,074.23x = 30,155.09 × 16,385.49
  4. Step 4: Simplify right side
    20,074.23x = 494,105,843.72
  5. Step 5: Solve for x
    x = 494,105,843.72/20,074.23
  6. Step 6: Final answer
    x = 24,613.94

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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.