Home / 27,150-40,734.24-15,289.44

Finding the Fourth Proportional to 27,150, 40,734.24 and 15,289.44

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Solution

The fourth proportional to 27,150, 40,734.24 and 15,289.44 is: 22,939.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150 : 40,734.24 = 15,289.44 : x
  2. Step 2: Convert to fraction form
    27,150/40,734.24 = 15,289.44/x
  3. Step 3: Cross multiply
    27,150x = 40,734.24 × 15,289.44
  4. Step 4: Simplify right side
    27,150x = 622,803,718.43
  5. Step 5: Solve for x
    x = 622,803,718.43/27,150
  6. Step 6: Final answer
    x = 22,939.36

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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.