Home / 27,219.34-40,806.99-11,647.90

Finding the Fourth Proportional to 27,219.34, 40,806.99 and 11,647.90

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Solution

The fourth proportional to 27,219.34, 40,806.99 and 11,647.90 is: 17,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.34 : 40,806.99 = 11,647.90 : x
  2. Step 2: Convert to fraction form
    27,219.34/40,806.99 = 11,647.90/x
  3. Step 3: Cross multiply
    27,219.34x = 40,806.99 × 11,647.90
  4. Step 4: Simplify right side
    27,219.34x = 475,315,789.83
  5. Step 5: Solve for x
    x = 475,315,789.83/27,219.34
  6. Step 6: Final answer
    x = 17,462.43

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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.