Home / 22,280.20-33,420.30-21,704.20

Finding the Fourth Proportional to 22,280.20, 33,420.30 and 21,704.20

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Solution

The fourth proportional to 22,280.20, 33,420.30 and 21,704.20 is: 32,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,280.20 : 33,420.30 = 21,704.20 : x
  2. Step 2: Convert to fraction form
    22,280.20/33,420.30 = 21,704.20/x
  3. Step 3: Cross multiply
    22,280.20x = 33,420.30 × 21,704.20
  4. Step 4: Simplify right side
    22,280.20x = 725,360,875.26
  5. Step 5: Solve for x
    x = 725,360,875.26/22,280.20
  6. Step 6: Final answer
    x = 32,556.30

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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.