Home / 27,775.54-38,330.58-15,200.29

Finding the Fourth Proportional to 27,775.54, 38,330.58 and 15,200.29

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Solution

The fourth proportional to 27,775.54, 38,330.58 and 15,200.29 is: 20,976.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,775.54 : 38,330.58 = 15,200.29 : x
  2. Step 2: Convert to fraction form
    27,775.54/38,330.58 = 15,200.29/x
  3. Step 3: Cross multiply
    27,775.54x = 38,330.58 × 15,200.29
  4. Step 4: Simplify right side
    27,775.54x = 582,635,931.87
  5. Step 5: Solve for x
    x = 582,635,931.87/27,775.54
  6. Step 6: Final answer
    x = 20,976.58

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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.