Home / 17,808.30-26,687.79-15,162.03

Finding the Fourth Proportional to 17,808.30, 26,687.79 and 15,162.03

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Solution

The fourth proportional to 17,808.30, 26,687.79 and 15,162.03 is: 22,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.30 : 26,687.79 = 15,162.03 : x
  2. Step 2: Convert to fraction form
    17,808.30/26,687.79 = 15,162.03/x
  3. Step 3: Cross multiply
    17,808.30x = 26,687.79 × 15,162.03
  4. Step 4: Simplify right side
    17,808.30x = 404,641,072.61
  5. Step 5: Solve for x
    x = 404,641,072.61/17,808.30
  6. Step 6: Final answer
    x = 22,722.05

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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.