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Finding the Fourth Proportional to 29,878.15, 41,230.18 and 16,447.22

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Solution

The fourth proportional to 29,878.15, 41,230.18 and 16,447.22 is: 22,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,878.15 : 41,230.18 = 16,447.22 : x
  2. Step 2: Convert to fraction form
    29,878.15/41,230.18 = 16,447.22/x
  3. Step 3: Cross multiply
    29,878.15x = 41,230.18 × 16,447.22
  4. Step 4: Simplify right side
    29,878.15x = 678,121,841.10
  5. Step 5: Solve for x
    x = 678,121,841.10/29,878.15
  6. Step 6: Final answer
    x = 22,696.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.