Home / 25,721.46-38,542.26-17,839.34

Finding the Fourth Proportional to 25,721.46, 38,542.26 and 17,839.34

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Solution

The fourth proportional to 25,721.46, 38,542.26 and 17,839.34 is: 26,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,721.46 : 38,542.26 = 17,839.34 : x
  2. Step 2: Convert to fraction form
    25,721.46/38,542.26 = 17,839.34/x
  3. Step 3: Cross multiply
    25,721.46x = 38,542.26 × 17,839.34
  4. Step 4: Simplify right side
    25,721.46x = 687,568,480.51
  5. Step 5: Solve for x
    x = 687,568,480.51/25,721.46
  6. Step 6: Final answer
    x = 26,731.32

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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.