Home / 28,839.39-43,258.82-13,049.79

Finding the Fourth Proportional to 28,839.39, 43,258.82 and 13,049.79

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Solution

The fourth proportional to 28,839.39, 43,258.82 and 13,049.79 is: 19,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.39 : 43,258.82 = 13,049.79 : x
  2. Step 2: Convert to fraction form
    28,839.39/43,258.82 = 13,049.79/x
  3. Step 3: Cross multiply
    28,839.39x = 43,258.82 × 13,049.79
  4. Step 4: Simplify right side
    28,839.39x = 564,518,451.40
  5. Step 5: Solve for x
    x = 564,518,451.40/28,839.39
  6. Step 6: Final answer
    x = 19,574.56

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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.