Home / 21,277.44-31,919.62-6,286.08

Finding the Fourth Proportional to 21,277.44, 31,919.62 and 6,286.08

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Solution

The fourth proportional to 21,277.44, 31,919.62 and 6,286.08 is: 9,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277.44 : 31,919.62 = 6,286.08 : x
  2. Step 2: Convert to fraction form
    21,277.44/31,919.62 = 6,286.08/x
  3. Step 3: Cross multiply
    21,277.44x = 31,919.62 × 6,286.08
  4. Step 4: Simplify right side
    21,277.44x = 200,649,284.89
  5. Step 5: Solve for x
    x = 200,649,284.89/21,277.44
  6. Step 6: Final answer
    x = 9,430.14

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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.