Home / 21,995.38-32,992.87-5,355.42

Finding the Fourth Proportional to 21,995.38, 32,992.87 and 5,355.42

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Solution

The fourth proportional to 21,995.38, 32,992.87 and 5,355.42 is: 8,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.38 : 32,992.87 = 5,355.42 : x
  2. Step 2: Convert to fraction form
    21,995.38/32,992.87 = 5,355.42/x
  3. Step 3: Cross multiply
    21,995.38x = 32,992.87 × 5,355.42
  4. Step 4: Simplify right side
    21,995.38x = 176,690,675.86
  5. Step 5: Solve for x
    x = 176,690,675.86/21,995.38
  6. Step 6: Final answer
    x = 8,033.08

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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.