Home / 19,769.82-27,262.92-18,128.83

Finding the Fourth Proportional to 19,769.82, 27,262.92 and 18,128.83

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Solution

The fourth proportional to 19,769.82, 27,262.92 and 18,128.83 is: 24,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.82 : 27,262.92 = 18,128.83 : x
  2. Step 2: Convert to fraction form
    19,769.82/27,262.92 = 18,128.83/x
  3. Step 3: Cross multiply
    19,769.82x = 27,262.92 × 18,128.83
  4. Step 4: Simplify right side
    19,769.82x = 494,244,650.44
  5. Step 5: Solve for x
    x = 494,244,650.44/19,769.82
  6. Step 6: Final answer
    x = 24,999.95

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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.