Home / 20,752.58-28,604.42-14,704.85

Finding the Fourth Proportional to 20,752.58, 28,604.42 and 14,704.85

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Solution

The fourth proportional to 20,752.58, 28,604.42 and 14,704.85 is: 20,268.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752.58 : 28,604.42 = 14,704.85 : x
  2. Step 2: Convert to fraction form
    20,752.58/28,604.42 = 14,704.85/x
  3. Step 3: Cross multiply
    20,752.58x = 28,604.42 × 14,704.85
  4. Step 4: Simplify right side
    20,752.58x = 420,623,705.44
  5. Step 5: Solve for x
    x = 420,623,705.44/20,752.58
  6. Step 6: Final answer
    x = 20,268.50

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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.