Home / 27,817.73-38,381.60-16,489.88

Finding the Fourth Proportional to 27,817.73, 38,381.60 and 16,489.88

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Solution

The fourth proportional to 27,817.73, 38,381.60 and 16,489.88 is: 22,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,817.73 : 38,381.60 = 16,489.88 : x
  2. Step 2: Convert to fraction form
    27,817.73/38,381.60 = 16,489.88/x
  3. Step 3: Cross multiply
    27,817.73x = 38,381.60 × 16,489.88
  4. Step 4: Simplify right side
    27,817.73x = 632,907,703.85
  5. Step 5: Solve for x
    x = 632,907,703.85/27,817.73
  6. Step 6: Final answer
    x = 22,751.96

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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.