Home / 18,939.44-26,122.92-16,417.04

Finding the Fourth Proportional to 18,939.44, 26,122.92 and 16,417.04

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Solution

The fourth proportional to 18,939.44, 26,122.92 and 16,417.04 is: 22,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939.44 : 26,122.92 = 16,417.04 : x
  2. Step 2: Convert to fraction form
    18,939.44/26,122.92 = 16,417.04/x
  3. Step 3: Cross multiply
    18,939.44x = 26,122.92 × 16,417.04
  4. Step 4: Simplify right side
    18,939.44x = 428,861,022.56
  5. Step 5: Solve for x
    x = 428,861,022.56/18,939.44
  6. Step 6: Final answer
    x = 22,643.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.