Home / 27,775.50-38,330.22-15,200.28

Finding the Fourth Proportional to 27,775.50, 38,330.22 and 15,200.28

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Solution

The fourth proportional to 27,775.50, 38,330.22 and 15,200.28 is: 20,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,775.50 : 38,330.22 = 15,200.28 : x
  2. Step 2: Convert to fraction form
    27,775.50/38,330.22 = 15,200.28/x
  3. Step 3: Cross multiply
    27,775.50x = 38,330.22 × 15,200.28
  4. Step 4: Simplify right side
    27,775.50x = 582,630,076.46
  5. Step 5: Solve for x
    x = 582,630,076.46/27,775.50
  6. Step 6: Final answer
    x = 20,976.40

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Half scale
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Double scale
Find fourth proportional to 27,776.50, 38,331.60 and 15,201.28
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.