Home / 21,842.20-32,714.70-16,895.80

Finding the Fourth Proportional to 21,842.20, 32,714.70 and 16,895.80

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Solution

The fourth proportional to 21,842.20, 32,714.70 and 16,895.80 is: 25,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842.20 : 32,714.70 = 16,895.80 : x
  2. Step 2: Convert to fraction form
    21,842.20/32,714.70 = 16,895.80/x
  3. Step 3: Cross multiply
    21,842.20x = 32,714.70 × 16,895.80
  4. Step 4: Simplify right side
    21,842.20x = 552,741,028.26
  5. Step 5: Solve for x
    x = 552,741,028.26/21,842.20
  6. Step 6: Final answer
    x = 25,306.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.