Home / 21,921.22-32,862.30-8,066.98

Finding the Fourth Proportional to 21,921.22, 32,862.30 and 8,066.98

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Solution

The fourth proportional to 21,921.22, 32,862.30 and 8,066.98 is: 12,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921.22 : 32,862.30 = 8,066.98 : x
  2. Step 2: Convert to fraction form
    21,921.22/32,862.30 = 8,066.98/x
  3. Step 3: Cross multiply
    21,921.22x = 32,862.30 × 8,066.98
  4. Step 4: Simplify right side
    21,921.22x = 265,099,516.85
  5. Step 5: Solve for x
    x = 265,099,516.85/21,921.22
  6. Step 6: Final answer
    x = 12,093.28

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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.