Home / 19,231.82-28,827.83-7,382.43

Finding the Fourth Proportional to 19,231.82, 28,827.83 and 7,382.43

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Solution

The fourth proportional to 19,231.82, 28,827.83 and 7,382.43 is: 11,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.82 : 28,827.83 = 7,382.43 : x
  2. Step 2: Convert to fraction form
    19,231.82/28,827.83 = 7,382.43/x
  3. Step 3: Cross multiply
    19,231.82x = 28,827.83 × 7,382.43
  4. Step 4: Simplify right side
    19,231.82x = 212,819,400.11
  5. Step 5: Solve for x
    x = 212,819,400.11/19,231.82
  6. Step 6: Final answer
    x = 11,066.01

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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.