Home / 21,971.66-32,957.24-5,331.87

Finding the Fourth Proportional to 21,971.66, 32,957.24 and 5,331.87

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Solution

The fourth proportional to 21,971.66, 32,957.24 and 5,331.87 is: 7,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,971.66 : 32,957.24 = 5,331.87 : x
  2. Step 2: Convert to fraction form
    21,971.66/32,957.24 = 5,331.87/x
  3. Step 3: Cross multiply
    21,971.66x = 32,957.24 × 5,331.87
  4. Step 4: Simplify right side
    21,971.66x = 175,723,692.58
  5. Step 5: Solve for x
    x = 175,723,692.58/21,971.66
  6. Step 6: Final answer
    x = 7,997.74

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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.