Home / 28,936.64-43,360.04-20,069.26

Finding the Fourth Proportional to 28,936.64, 43,360.04 and 20,069.26

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Solution

The fourth proportional to 28,936.64, 43,360.04 and 20,069.26 is: 30,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.64 : 43,360.04 = 20,069.26 : x
  2. Step 2: Convert to fraction form
    28,936.64/43,360.04 = 20,069.26/x
  3. Step 3: Cross multiply
    28,936.64x = 43,360.04 × 20,069.26
  4. Step 4: Simplify right side
    28,936.64x = 870,203,858.14
  5. Step 5: Solve for x
    x = 870,203,858.14/28,936.64
  6. Step 6: Final answer
    x = 30,072.73

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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.