Home / 22,012.08-32,979.24-21,467.76

Finding the Fourth Proportional to 22,012.08, 32,979.24 and 21,467.76

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Solution

The fourth proportional to 22,012.08, 32,979.24 and 21,467.76 is: 32,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.08 : 32,979.24 = 21,467.76 : x
  2. Step 2: Convert to fraction form
    22,012.08/32,979.24 = 21,467.76/x
  3. Step 3: Cross multiply
    22,012.08x = 32,979.24 × 21,467.76
  4. Step 4: Simplify right side
    22,012.08x = 707,990,409.30
  5. Step 5: Solve for x
    x = 707,990,409.30/22,012.08
  6. Step 6: Final answer
    x = 32,163.72

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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.