Home / 20,760.62-28,636.85-14,794.20

Finding the Fourth Proportional to 20,760.62, 28,636.85 and 14,794.20

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Solution

The fourth proportional to 20,760.62, 28,636.85 and 14,794.20 is: 20,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760.62 : 28,636.85 = 14,794.20 : x
  2. Step 2: Convert to fraction form
    20,760.62/28,636.85 = 14,794.20/x
  3. Step 3: Cross multiply
    20,760.62x = 28,636.85 × 14,794.20
  4. Step 4: Simplify right side
    20,760.62x = 423,659,212.30
  5. Step 5: Solve for x
    x = 423,659,212.30/20,760.62
  6. Step 6: Final answer
    x = 20,406.87

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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.