Home / 27,733.54-38,272.20-15,796.84

Finding the Fourth Proportional to 27,733.54, 38,272.20 and 15,796.84

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Solution

The fourth proportional to 27,733.54, 38,272.20 and 15,796.84 is: 21,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,733.54 : 38,272.20 = 15,796.84 : x
  2. Step 2: Convert to fraction form
    27,733.54/38,272.20 = 15,796.84/x
  3. Step 3: Cross multiply
    27,733.54x = 38,272.20 × 15,796.84
  4. Step 4: Simplify right side
    27,733.54x = 604,579,819.85
  5. Step 5: Solve for x
    x = 604,579,819.85/27,733.54
  6. Step 6: Final answer
    x = 21,799.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.