Home / 27,827.72-41,739.96-9,119.96

Finding the Fourth Proportional to 27,827.72, 41,739.96 and 9,119.96

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Solution

The fourth proportional to 27,827.72, 41,739.96 and 9,119.96 is: 13,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,827.72 : 41,739.96 = 9,119.96 : x
  2. Step 2: Convert to fraction form
    27,827.72/41,739.96 = 9,119.96/x
  3. Step 3: Cross multiply
    27,827.72x = 41,739.96 × 9,119.96
  4. Step 4: Simplify right side
    27,827.72x = 380,666,765.60
  5. Step 5: Solve for x
    x = 380,666,765.60/27,827.72
  6. Step 6: Final answer
    x = 13,679.41

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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.