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Finding the Fourth Proportional to 19,432.73, 29,143.41 and 8,896.79

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Solution

The fourth proportional to 19,432.73, 29,143.41 and 8,896.79 is: 13,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.73 : 29,143.41 = 8,896.79 : x
  2. Step 2: Convert to fraction form
    19,432.73/29,143.41 = 8,896.79/x
  3. Step 3: Cross multiply
    19,432.73x = 29,143.41 × 8,896.79
  4. Step 4: Simplify right side
    19,432.73x = 259,282,652.94
  5. Step 5: Solve for x
    x = 259,282,652.94/19,432.73
  6. Step 6: Final answer
    x = 13,342.58

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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.