Home / 28,729.84-43,086.34-11,195.48

Finding the Fourth Proportional to 28,729.84, 43,086.34 and 11,195.48

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Solution

The fourth proportional to 28,729.84, 43,086.34 and 11,195.48 is: 16,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729.84 : 43,086.34 = 11,195.48 : x
  2. Step 2: Convert to fraction form
    28,729.84/43,086.34 = 11,195.48/x
  3. Step 3: Cross multiply
    28,729.84x = 43,086.34 × 11,195.48
  4. Step 4: Simplify right side
    28,729.84x = 482,372,257.74
  5. Step 5: Solve for x
    x = 482,372,257.74/28,729.84
  6. Step 6: Final answer
    x = 16,789.94

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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.