Home / 27,662.76-38,174.34-15,086.76

Finding the Fourth Proportional to 27,662.76, 38,174.34 and 15,086.76

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Solution

The fourth proportional to 27,662.76, 38,174.34 and 15,086.76 is: 20,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,662.76 : 38,174.34 = 15,086.76 : x
  2. Step 2: Convert to fraction form
    27,662.76/38,174.34 = 15,086.76/x
  3. Step 3: Cross multiply
    27,662.76x = 38,174.34 × 15,086.76
  4. Step 4: Simplify right side
    27,662.76x = 575,927,105.74
  5. Step 5: Solve for x
    x = 575,927,105.74/27,662.76
  6. Step 6: Final answer
    x = 20,819.58

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Half scale
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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.