Home / 18,401.72-27,610.70-14,277.56

Finding the Fourth Proportional to 18,401.72, 27,610.70 and 14,277.56

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Solution

The fourth proportional to 18,401.72, 27,610.70 and 14,277.56 is: 21,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.72 : 27,610.70 = 14,277.56 : x
  2. Step 2: Convert to fraction form
    18,401.72/27,610.70 = 14,277.56/x
  3. Step 3: Cross multiply
    18,401.72x = 27,610.70 × 14,277.56
  4. Step 4: Simplify right side
    18,401.72x = 394,213,216.45
  5. Step 5: Solve for x
    x = 394,213,216.45/18,401.72
  6. Step 6: Final answer
    x = 21,422.63

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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.