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Finding the Fourth Proportional to 29,007.40, 43,511.10 and 28,618.60

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Solution

The fourth proportional to 29,007.40, 43,511.10 and 28,618.60 is: 42,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,007.40 : 43,511.10 = 28,618.60 : x
  2. Step 2: Convert to fraction form
    29,007.40/43,511.10 = 28,618.60/x
  3. Step 3: Cross multiply
    29,007.40x = 43,511.10 × 28,618.60
  4. Step 4: Simplify right side
    29,007.40x = 1,245,226,766.46
  5. Step 5: Solve for x
    x = 1,245,226,766.46/29,007.40
  6. Step 6: Final answer
    x = 42,927.90

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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.