Home / 20,770.24-28,794.68-19,648.04

Finding the Fourth Proportional to 20,770.24, 28,794.68 and 19,648.04

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Solution

The fourth proportional to 20,770.24, 28,794.68 and 19,648.04 is: 27,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,770.24 : 28,794.68 = 19,648.04 : x
  2. Step 2: Convert to fraction form
    20,770.24/28,794.68 = 19,648.04/x
  3. Step 3: Cross multiply
    20,770.24x = 28,794.68 × 19,648.04
  4. Step 4: Simplify right side
    20,770.24x = 565,759,024.43
  5. Step 5: Solve for x
    x = 565,759,024.43/20,770.24
  6. Step 6: Final answer
    x = 27,238.93

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.