Home / 21,942.68-32,985.30-17,607.56

Finding the Fourth Proportional to 21,942.68, 32,985.30 and 17,607.56

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Solution

The fourth proportional to 21,942.68, 32,985.30 and 17,607.56 is: 26,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942.68 : 32,985.30 = 17,607.56 : x
  2. Step 2: Convert to fraction form
    21,942.68/32,985.30 = 17,607.56/x
  3. Step 3: Cross multiply
    21,942.68x = 32,985.30 × 17,607.56
  4. Step 4: Simplify right side
    21,942.68x = 580,790,648.87
  5. Step 5: Solve for x
    x = 580,790,648.87/21,942.68
  6. Step 6: Final answer
    x = 26,468.54

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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.