Home / 27,021.25-40,521.01-11,215.52

Finding the Fourth Proportional to 27,021.25, 40,521.01 and 11,215.52

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Solution

The fourth proportional to 27,021.25, 40,521.01 and 11,215.52 is: 16,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.25 : 40,521.01 = 11,215.52 : x
  2. Step 2: Convert to fraction form
    27,021.25/40,521.01 = 11,215.52/x
  3. Step 3: Cross multiply
    27,021.25x = 40,521.01 × 11,215.52
  4. Step 4: Simplify right side
    27,021.25x = 454,464,198.08
  5. Step 5: Solve for x
    x = 454,464,198.08/27,021.25
  6. Step 6: Final answer
    x = 16,818.77

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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.