Home / 20,769.24-28,793.29-19,647.04

Finding the Fourth Proportional to 20,769.24, 28,793.29 and 19,647.04

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Solution

The fourth proportional to 20,769.24, 28,793.29 and 19,647.04 is: 27,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,769.24 : 28,793.29 = 19,647.04 : x
  2. Step 2: Convert to fraction form
    20,769.24/28,793.29 = 19,647.04/x
  3. Step 3: Cross multiply
    20,769.24x = 28,793.29 × 19,647.04
  4. Step 4: Simplify right side
    20,769.24x = 565,702,920.36
  5. Step 5: Solve for x
    x = 565,702,920.36/20,769.24
  6. Step 6: Final answer
    x = 27,237.54

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1.5x scale

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.