Home / 26,717.31-39,992.13-17,815.14

Finding the Fourth Proportional to 26,717.31, 39,992.13 and 17,815.14

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Solution

The fourth proportional to 26,717.31, 39,992.13 and 17,815.14 is: 26,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,717.31 : 39,992.13 = 17,815.14 : x
  2. Step 2: Convert to fraction form
    26,717.31/39,992.13 = 17,815.14/x
  3. Step 3: Cross multiply
    26,717.31x = 39,992.13 × 17,815.14
  4. Step 4: Simplify right side
    26,717.31x = 712,465,394.85
  5. Step 5: Solve for x
    x = 712,465,394.85/26,717.31
  6. Step 6: Final answer
    x = 26,666.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.