Home / 21,481.04-32,225.40-6,687.44

Finding the Fourth Proportional to 21,481.04, 32,225.40 and 6,687.44

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Solution

The fourth proportional to 21,481.04, 32,225.40 and 6,687.44 is: 10,032.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.04 : 32,225.40 = 6,687.44 : x
  2. Step 2: Convert to fraction form
    21,481.04/32,225.40 = 6,687.44/x
  3. Step 3: Cross multiply
    21,481.04x = 32,225.40 × 6,687.44
  4. Step 4: Simplify right side
    21,481.04x = 215,505,428.98
  5. Step 5: Solve for x
    x = 215,505,428.98/21,481.04
  6. Step 6: Final answer
    x = 10,032.36

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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.