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Finding the Fourth Proportional to 22,006.01, 32,977.53 and 16,990.90

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Solution

The fourth proportional to 22,006.01, 32,977.53 and 16,990.90 is: 25,462.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,006.01 : 32,977.53 = 16,990.90 : x
  2. Step 2: Convert to fraction form
    22,006.01/32,977.53 = 16,990.90/x
  3. Step 3: Cross multiply
    22,006.01x = 32,977.53 × 16,990.90
  4. Step 4: Simplify right side
    22,006.01x = 560,317,832.03
  5. Step 5: Solve for x
    x = 560,317,832.03/22,006.01
  6. Step 6: Final answer
    x = 25,462.03

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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.