Home / 17,027.28-25,540.65-5,181.03

Finding the Fourth Proportional to 17,027.28, 25,540.65 and 5,181.03

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Solution

The fourth proportional to 17,027.28, 25,540.65 and 5,181.03 is: 7,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,027.28 : 25,540.65 = 5,181.03 : x
  2. Step 2: Convert to fraction form
    17,027.28/25,540.65 = 5,181.03/x
  3. Step 3: Cross multiply
    17,027.28x = 25,540.65 × 5,181.03
  4. Step 4: Simplify right side
    17,027.28x = 132,326,873.87
  5. Step 5: Solve for x
    x = 132,326,873.87/17,027.28
  6. Step 6: Final answer
    x = 7,771.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.