Home / 20,727.75-31,090.82-5,936.07

Finding the Fourth Proportional to 20,727.75, 31,090.82 and 5,936.07

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Solution

The fourth proportional to 20,727.75, 31,090.82 and 5,936.07 is: 8,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727.75 : 31,090.82 = 5,936.07 : x
  2. Step 2: Convert to fraction form
    20,727.75/31,090.82 = 5,936.07/x
  3. Step 3: Cross multiply
    20,727.75x = 31,090.82 × 5,936.07
  4. Step 4: Simplify right side
    20,727.75x = 184,557,254.20
  5. Step 5: Solve for x
    x = 184,557,254.20/20,727.75
  6. Step 6: Final answer
    x = 8,903.87

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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.