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Finding the Fourth Proportional to 28,906.34, 43,365.71 and 10,185.62

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Solution

The fourth proportional to 28,906.34, 43,365.71 and 10,185.62 is: 15,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.34 : 43,365.71 = 10,185.62 : x
  2. Step 2: Convert to fraction form
    28,906.34/43,365.71 = 10,185.62/x
  3. Step 3: Cross multiply
    28,906.34x = 43,365.71 × 10,185.62
  4. Step 4: Simplify right side
    28,906.34x = 441,706,451.73
  5. Step 5: Solve for x
    x = 441,706,451.73/28,906.34
  6. Step 6: Final answer
    x = 15,280.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.