Home / 21,821.67-32,740.20-10,727.10

Finding the Fourth Proportional to 21,821.67, 32,740.20 and 10,727.10

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Solution

The fourth proportional to 21,821.67, 32,740.20 and 10,727.10 is: 16,094.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,821.67 : 32,740.20 = 10,727.10 : x
  2. Step 2: Convert to fraction form
    21,821.67/32,740.20 = 10,727.10/x
  3. Step 3: Cross multiply
    21,821.67x = 32,740.20 × 10,727.10
  4. Step 4: Simplify right side
    21,821.67x = 351,207,399.42
  5. Step 5: Solve for x
    x = 351,207,399.42/21,821.67
  6. Step 6: Final answer
    x = 16,094.43

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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.