Home / 28,943.29-43,414.46-9,221.58

Finding the Fourth Proportional to 28,943.29, 43,414.46 and 9,221.58

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Solution

The fourth proportional to 28,943.29, 43,414.46 and 9,221.58 is: 13,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.29 : 43,414.46 = 9,221.58 : x
  2. Step 2: Convert to fraction form
    28,943.29/43,414.46 = 9,221.58/x
  3. Step 3: Cross multiply
    28,943.29x = 43,414.46 × 9,221.58
  4. Step 4: Simplify right side
    28,943.29x = 400,349,956.39
  5. Step 5: Solve for x
    x = 400,349,956.39/28,943.29
  6. Step 6: Final answer
    x = 13,832.22

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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.