Home / 21,383.02-32,074.57-8,241.58

Finding the Fourth Proportional to 21,383.02, 32,074.57 and 8,241.58

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Solution

The fourth proportional to 21,383.02, 32,074.57 and 8,241.58 is: 12,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,383.02 : 32,074.57 = 8,241.58 : x
  2. Step 2: Convert to fraction form
    21,383.02/32,074.57 = 8,241.58/x
  3. Step 3: Cross multiply
    21,383.02x = 32,074.57 × 8,241.58
  4. Step 4: Simplify right side
    21,383.02x = 264,345,134.62
  5. Step 5: Solve for x
    x = 264,345,134.62/21,383.02
  6. Step 6: Final answer
    x = 12,362.39

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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.