Home / 22,021.26-33,032.16-6,439.20

Finding the Fourth Proportional to 22,021.26, 33,032.16 and 6,439.20

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Solution

The fourth proportional to 22,021.26, 33,032.16 and 6,439.20 is: 9,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021.26 : 33,032.16 = 6,439.20 : x
  2. Step 2: Convert to fraction form
    22,021.26/33,032.16 = 6,439.20/x
  3. Step 3: Cross multiply
    22,021.26x = 33,032.16 × 6,439.20
  4. Step 4: Simplify right side
    22,021.26x = 212,700,684.67
  5. Step 5: Solve for x
    x = 212,700,684.67/22,021.26
  6. Step 6: Final answer
    x = 9,658.88

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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.