Home / 17,389.41-23,979.92-15,469.26

Finding the Fourth Proportional to 17,389.41, 23,979.92 and 15,469.26

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Solution

The fourth proportional to 17,389.41, 23,979.92 and 15,469.26 is: 21,332.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.41 : 23,979.92 = 15,469.26 : x
  2. Step 2: Convert to fraction form
    17,389.41/23,979.92 = 15,469.26/x
  3. Step 3: Cross multiply
    17,389.41x = 23,979.92 × 15,469.26
  4. Step 4: Simplify right side
    17,389.41x = 370,951,449.99
  5. Step 5: Solve for x
    x = 370,951,449.99/17,389.41
  6. Step 6: Final answer
    x = 21,332.04

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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.