Home / 38,282.39-57,419.88-11,628.62

Finding the Fourth Proportional to 38,282.39, 57,419.88 and 11,628.62

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Solution

The fourth proportional to 38,282.39, 57,419.88 and 11,628.62 is: 17,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,282.39 : 57,419.88 = 11,628.62 : x
  2. Step 2: Convert to fraction form
    38,282.39/57,419.88 = 11,628.62/x
  3. Step 3: Cross multiply
    38,282.39x = 57,419.88 × 11,628.62
  4. Step 4: Simplify right side
    38,282.39x = 667,713,964.97
  5. Step 5: Solve for x
    x = 667,713,964.97/38,282.39
  6. Step 6: Final answer
    x = 17,441.80

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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.