Home / 36,628.39-54,940.15-21,928.51

Finding the Fourth Proportional to 36,628.39, 54,940.15 and 21,928.51

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Solution

The fourth proportional to 36,628.39, 54,940.15 and 21,928.51 is: 32,891.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,628.39 : 54,940.15 = 21,928.51 : x
  2. Step 2: Convert to fraction form
    36,628.39/54,940.15 = 21,928.51/x
  3. Step 3: Cross multiply
    36,628.39x = 54,940.15 × 21,928.51
  4. Step 4: Simplify right side
    36,628.39x = 1,204,755,628.68
  5. Step 5: Solve for x
    x = 1,204,755,628.68/36,628.39
  6. Step 6: Final answer
    x = 32,891.31

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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.