Home / 27,910.92-38,515.68-15,336.12

Finding the Fourth Proportional to 27,910.92, 38,515.68 and 15,336.12

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Solution

The fourth proportional to 27,910.92, 38,515.68 and 15,336.12 is: 21,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.92 : 38,515.68 = 15,336.12 : x
  2. Step 2: Convert to fraction form
    27,910.92/38,515.68 = 15,336.12/x
  3. Step 3: Cross multiply
    27,910.92x = 38,515.68 × 15,336.12
  4. Step 4: Simplify right side
    27,910.92x = 590,681,090.36
  5. Step 5: Solve for x
    x = 590,681,090.36/27,910.92
  6. Step 6: Final answer
    x = 21,163.08

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Half scale
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Double scale
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Similar ratio
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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.