Home / 18,021.09-27,036.51-16,286.07

Finding the Fourth Proportional to 18,021.09, 27,036.51 and 16,286.07

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Solution

The fourth proportional to 18,021.09, 27,036.51 and 16,286.07 is: 24,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.09 : 27,036.51 = 16,286.07 : x
  2. Step 2: Convert to fraction form
    18,021.09/27,036.51 = 16,286.07/x
  3. Step 3: Cross multiply
    18,021.09x = 27,036.51 × 16,286.07
  4. Step 4: Simplify right side
    18,021.09x = 440,318,494.42
  5. Step 5: Solve for x
    x = 440,318,494.42/18,021.09
  6. Step 6: Final answer
    x = 24,433.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.