Home / 27,693.68-38,221.67-17,611.61

Finding the Fourth Proportional to 27,693.68, 38,221.67 and 17,611.61

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Solution

The fourth proportional to 27,693.68, 38,221.67 and 17,611.61 is: 24,306.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.68 : 38,221.67 = 17,611.61 : x
  2. Step 2: Convert to fraction form
    27,693.68/38,221.67 = 17,611.61/x
  3. Step 3: Cross multiply
    27,693.68x = 38,221.67 × 17,611.61
  4. Step 4: Simplify right side
    27,693.68x = 673,145,057.53
  5. Step 5: Solve for x
    x = 673,145,057.53/27,693.68
  6. Step 6: Final answer
    x = 24,306.81

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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.