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Finding the Fourth Proportional to 18,164, 27,087.05 and 17,997.92

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Solution

The fourth proportional to 18,164, 27,087.05 and 17,997.92 is: 26,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164 : 27,087.05 = 17,997.92 : x
  2. Step 2: Convert to fraction form
    18,164/27,087.05 = 17,997.92/x
  3. Step 3: Cross multiply
    18,164x = 27,087.05 × 17,997.92
  4. Step 4: Simplify right side
    18,164x = 487,510,558.94
  5. Step 5: Solve for x
    x = 487,510,558.94/18,164
  6. Step 6: Final answer
    x = 26,839.38

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1.5x scale

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.