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Finding the Fourth Proportional to 43,268, 64,902 and 14,084

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Solution

The fourth proportional to 43,268, 64,902 and 14,084 is: 21,126

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,268 : 64,902 = 14,084 : x
  2. Step 2: Convert to fraction form
    43,268/64,902 = 14,084/x
  3. Step 3: Cross multiply
    43,268x = 64,902 × 14,084
  4. Step 4: Simplify right side
    43,268x = 914,079,768
  5. Step 5: Solve for x
    x = 914,079,768/43,268
  6. Step 6: Final answer
    x = 21,126

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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.