Home / 28,836.36-43,286.94-22,340.88

Finding the Fourth Proportional to 28,836.36, 43,286.94 and 22,340.88

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Solution

The fourth proportional to 28,836.36, 43,286.94 and 22,340.88 is: 33,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.36 : 43,286.94 = 22,340.88 : x
  2. Step 2: Convert to fraction form
    28,836.36/43,286.94 = 22,340.88/x
  3. Step 3: Cross multiply
    28,836.36x = 43,286.94 × 22,340.88
  4. Step 4: Simplify right side
    28,836.36x = 967,068,332.11
  5. Step 5: Solve for x
    x = 967,068,332.11/28,836.36
  6. Step 6: Final answer
    x = 33,536.42

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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.