Home / 27,817.22-38,380.91-16,489.37

Finding the Fourth Proportional to 27,817.22, 38,380.91 and 16,489.37

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Solution

The fourth proportional to 27,817.22, 38,380.91 and 16,489.37 is: 22,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,817.22 : 38,380.91 = 16,489.37 : x
  2. Step 2: Convert to fraction form
    27,817.22/38,380.91 = 16,489.37/x
  3. Step 3: Cross multiply
    27,817.22x = 38,380.91 × 16,489.37
  4. Step 4: Simplify right side
    27,817.22x = 632,877,039.43
  5. Step 5: Solve for x
    x = 632,877,039.43/27,817.22
  6. Step 6: Final answer
    x = 22,751.27

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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.