Home / 21,486.44-32,217.50-6,690.98

Finding the Fourth Proportional to 21,486.44, 32,217.50 and 6,690.98

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Solution

The fourth proportional to 21,486.44, 32,217.50 and 6,690.98 is: 10,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486.44 : 32,217.50 = 6,690.98 : x
  2. Step 2: Convert to fraction form
    21,486.44/32,217.50 = 6,690.98/x
  3. Step 3: Cross multiply
    21,486.44x = 32,217.50 × 6,690.98
  4. Step 4: Simplify right side
    21,486.44x = 215,566,648.15
  5. Step 5: Solve for x
    x = 215,566,648.15/21,486.44
  6. Step 6: Final answer
    x = 10,032.68

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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.