Home / 31,687.26-43,726.68-17,539.26

Finding the Fourth Proportional to 31,687.26, 43,726.68 and 17,539.26

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Solution

The fourth proportional to 31,687.26, 43,726.68 and 17,539.26 is: 24,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,687.26 : 43,726.68 = 17,539.26 : x
  2. Step 2: Convert to fraction form
    31,687.26/43,726.68 = 17,539.26/x
  3. Step 3: Cross multiply
    31,687.26x = 43,726.68 × 17,539.26
  4. Step 4: Simplify right side
    31,687.26x = 766,933,609.46
  5. Step 5: Solve for x
    x = 766,933,609.46/31,687.26
  6. Step 6: Final answer
    x = 24,203.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.