Home / 20,144.76-30,081.42-16,454.28

Finding the Fourth Proportional to 20,144.76, 30,081.42 and 16,454.28

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Solution

The fourth proportional to 20,144.76, 30,081.42 and 16,454.28 is: 24,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144.76 : 30,081.42 = 16,454.28 : x
  2. Step 2: Convert to fraction form
    20,144.76/30,081.42 = 16,454.28/x
  3. Step 3: Cross multiply
    20,144.76x = 30,081.42 × 16,454.28
  4. Step 4: Simplify right side
    20,144.76x = 494,968,107.48
  5. Step 5: Solve for x
    x = 494,968,107.48/20,144.76
  6. Step 6: Final answer
    x = 24,570.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.