Home / 21,699.60-32,554.44-8,550.96

Finding the Fourth Proportional to 21,699.60, 32,554.44 and 8,550.96

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Solution

The fourth proportional to 21,699.60, 32,554.44 and 8,550.96 is: 12,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,699.60 : 32,554.44 = 8,550.96 : x
  2. Step 2: Convert to fraction form
    21,699.60/32,554.44 = 8,550.96/x
  3. Step 3: Cross multiply
    21,699.60x = 32,554.44 × 8,550.96
  4. Step 4: Simplify right side
    21,699.60x = 278,371,714.26
  5. Step 5: Solve for x
    x = 278,371,714.26/21,699.60
  6. Step 6: Final answer
    x = 12,828.43

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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.