Home / 21,942.08-32,897.76-8,087.36

Finding the Fourth Proportional to 21,942.08, 32,897.76 and 8,087.36

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Solution

The fourth proportional to 21,942.08, 32,897.76 and 8,087.36 is: 12,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942.08 : 32,897.76 = 8,087.36 : x
  2. Step 2: Convert to fraction form
    21,942.08/32,897.76 = 8,087.36/x
  3. Step 3: Cross multiply
    21,942.08x = 32,897.76 × 8,087.36
  4. Step 4: Simplify right side
    21,942.08x = 266,056,028.31
  5. Step 5: Solve for x
    x = 266,056,028.31/21,942.08
  6. Step 6: Final answer
    x = 12,125.38

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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.