Home / 20,734.75-28,604.10-14,022.73

Finding the Fourth Proportional to 20,734.75, 28,604.10 and 14,022.73

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Solution

The fourth proportional to 20,734.75, 28,604.10 and 14,022.73 is: 19,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.75 : 28,604.10 = 14,022.73 : x
  2. Step 2: Convert to fraction form
    20,734.75/28,604.10 = 14,022.73/x
  3. Step 3: Cross multiply
    20,734.75x = 28,604.10 × 14,022.73
  4. Step 4: Simplify right side
    20,734.75x = 401,107,571.19
  5. Step 5: Solve for x
    x = 401,107,571.19/20,734.75
  6. Step 6: Final answer
    x = 19,344.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.