Home / 21,755.12-32,609.46-8,601.80

Finding the Fourth Proportional to 21,755.12, 32,609.46 and 8,601.80

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Solution

The fourth proportional to 21,755.12, 32,609.46 and 8,601.80 is: 12,893.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755.12 : 32,609.46 = 8,601.80 : x
  2. Step 2: Convert to fraction form
    21,755.12/32,609.46 = 8,601.80/x
  3. Step 3: Cross multiply
    21,755.12x = 32,609.46 × 8,601.80
  4. Step 4: Simplify right side
    21,755.12x = 280,500,053.03
  5. Step 5: Solve for x
    x = 280,500,053.03/21,755.12
  6. Step 6: Final answer
    x = 12,893.52

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1.5x scale

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.