Home / 27,777.92-38,333.38-15,202.64

Finding the Fourth Proportional to 27,777.92, 38,333.38 and 15,202.64

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Solution

The fourth proportional to 27,777.92, 38,333.38 and 15,202.64 is: 20,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777.92 : 38,333.38 = 15,202.64 : x
  2. Step 2: Convert to fraction form
    27,777.92/38,333.38 = 15,202.64/x
  3. Step 3: Cross multiply
    27,777.92x = 38,333.38 × 15,202.64
  4. Step 4: Simplify right side
    27,777.92x = 582,768,576.12
  5. Step 5: Solve for x
    x = 582,768,576.12/27,777.92
  6. Step 6: Final answer
    x = 20,979.56

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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.