Home / 20,226.39-30,400.13-16,738.80

Finding the Fourth Proportional to 20,226.39, 30,400.13 and 16,738.80

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Solution

The fourth proportional to 20,226.39, 30,400.13 and 16,738.80 is: 25,158.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.39 : 30,400.13 = 16,738.80 : x
  2. Step 2: Convert to fraction form
    20,226.39/30,400.13 = 16,738.80/x
  3. Step 3: Cross multiply
    20,226.39x = 30,400.13 × 16,738.80
  4. Step 4: Simplify right side
    20,226.39x = 508,861,696.04
  5. Step 5: Solve for x
    x = 508,861,696.04/20,226.39
  6. Step 6: Final answer
    x = 25,158.31

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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.