Home / 27,512.21-41,262.11-13,458.20

Finding the Fourth Proportional to 27,512.21, 41,262.11 and 13,458.20

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Solution

The fourth proportional to 27,512.21, 41,262.11 and 13,458.20 is: 20,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,512.21 : 41,262.11 = 13,458.20 : x
  2. Step 2: Convert to fraction form
    27,512.21/41,262.11 = 13,458.20/x
  3. Step 3: Cross multiply
    27,512.21x = 41,262.11 × 13,458.20
  4. Step 4: Simplify right side
    27,512.21x = 555,313,737.77
  5. Step 5: Solve for x
    x = 555,313,737.77/27,512.21
  6. Step 6: Final answer
    x = 20,184.27

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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.