Home / 27,319.72-40,989.84-14,163.88

Finding the Fourth Proportional to 27,319.72, 40,989.84 and 14,163.88

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Solution

The fourth proportional to 27,319.72, 40,989.84 and 14,163.88 is: 21,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.72 : 40,989.84 = 14,163.88 : x
  2. Step 2: Convert to fraction form
    27,319.72/40,989.84 = 14,163.88/x
  3. Step 3: Cross multiply
    27,319.72x = 40,989.84 × 14,163.88
  4. Step 4: Simplify right side
    27,319.72x = 580,575,174.98
  5. Step 5: Solve for x
    x = 580,575,174.98/27,319.72
  6. Step 6: Final answer
    x = 21,251.14

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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.