Home / 17,979.94-26,757.62-17,381.27

Finding the Fourth Proportional to 17,979.94, 26,757.62 and 17,381.27

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Solution

The fourth proportional to 17,979.94, 26,757.62 and 17,381.27 is: 25,866.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.94 : 26,757.62 = 17,381.27 : x
  2. Step 2: Convert to fraction form
    17,979.94/26,757.62 = 17,381.27/x
  3. Step 3: Cross multiply
    17,979.94x = 26,757.62 × 17,381.27
  4. Step 4: Simplify right side
    17,979.94x = 465,081,541.49
  5. Step 5: Solve for x
    x = 465,081,541.49/17,979.94
  6. Step 6: Final answer
    x = 25,866.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.