Home / 31,727.30-43,788.27-18,295.88

Finding the Fourth Proportional to 31,727.30, 43,788.27 and 18,295.88

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Solution

The fourth proportional to 31,727.30, 43,788.27 and 18,295.88 is: 25,250.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.30 : 43,788.27 = 18,295.88 : x
  2. Step 2: Convert to fraction form
    31,727.30/43,788.27 = 18,295.88/x
  3. Step 3: Cross multiply
    31,727.30x = 43,788.27 × 18,295.88
  4. Step 4: Simplify right side
    31,727.30x = 801,144,933.33
  5. Step 5: Solve for x
    x = 801,144,933.33/31,727.30
  6. Step 6: Final answer
    x = 25,250.96

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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.