Home / 21,167.20-31,751.79-17,462.56

Finding the Fourth Proportional to 21,167.20, 31,751.79 and 17,462.56

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Solution

The fourth proportional to 21,167.20, 31,751.79 and 17,462.56 is: 26,194.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167.20 : 31,751.79 = 17,462.56 : x
  2. Step 2: Convert to fraction form
    21,167.20/31,751.79 = 17,462.56/x
  3. Step 3: Cross multiply
    21,167.20x = 31,751.79 × 17,462.56
  4. Step 4: Simplify right side
    21,167.20x = 554,467,537.98
  5. Step 5: Solve for x
    x = 554,467,537.98/21,167.20
  6. Step 6: Final answer
    x = 26,194.66

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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.