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Finding the Fourth Proportional to 17,908.02, 26,682.09 and 16,902

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Solution

The fourth proportional to 17,908.02, 26,682.09 and 16,902 is: 25,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.02 : 26,682.09 = 16,902 : x
  2. Step 2: Convert to fraction form
    17,908.02/26,682.09 = 16,902/x
  3. Step 3: Cross multiply
    17,908.02x = 26,682.09 × 16,902
  4. Step 4: Simplify right side
    17,908.02x = 450,980,685.18
  5. Step 5: Solve for x
    x = 450,980,685.18/17,908.02
  6. Step 6: Final answer
    x = 25,183.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.