Home / 17,839.28-26,724.36-13,726.64

Finding the Fourth Proportional to 17,839.28, 26,724.36 and 13,726.64

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Solution

The fourth proportional to 17,839.28, 26,724.36 and 13,726.64 is: 20,563.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,839.28 : 26,724.36 = 13,726.64 : x
  2. Step 2: Convert to fraction form
    17,839.28/26,724.36 = 13,726.64/x
  3. Step 3: Cross multiply
    17,839.28x = 26,724.36 × 13,726.64
  4. Step 4: Simplify right side
    17,839.28x = 366,835,668.95
  5. Step 5: Solve for x
    x = 366,835,668.95/17,839.28
  6. Step 6: Final answer
    x = 20,563.37

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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.