Home / 21,971.68-32,957.42-5,331.65

Finding the Fourth Proportional to 21,971.68, 32,957.42 and 5,331.65

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Solution

The fourth proportional to 21,971.68, 32,957.42 and 5,331.65 is: 7,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,971.68 : 32,957.42 = 5,331.65 : x
  2. Step 2: Convert to fraction form
    21,971.68/32,957.42 = 5,331.65/x
  3. Step 3: Cross multiply
    21,971.68x = 32,957.42 × 5,331.65
  4. Step 4: Simplify right side
    21,971.68x = 175,717,236.90
  5. Step 5: Solve for x
    x = 175,717,236.90/21,971.68
  6. Step 6: Final answer
    x = 7,997.44

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1.5x scale

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.