Home / 28,768.88-43,144.68-11,234.48

Finding the Fourth Proportional to 28,768.88, 43,144.68 and 11,234.48

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Solution

The fourth proportional to 28,768.88, 43,144.68 and 11,234.48 is: 16,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.88 : 43,144.68 = 11,234.48 : x
  2. Step 2: Convert to fraction form
    28,768.88/43,144.68 = 11,234.48/x
  3. Step 3: Cross multiply
    28,768.88x = 43,144.68 × 11,234.48
  4. Step 4: Simplify right side
    28,768.88x = 484,708,044.57
  5. Step 5: Solve for x
    x = 484,708,044.57/28,768.88
  6. Step 6: Final answer
    x = 16,848.35

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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.