Home / 22,452.20-33,620.70-21,415.40

Finding the Fourth Proportional to 22,452.20, 33,620.70 and 21,415.40

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Solution

The fourth proportional to 22,452.20, 33,620.70 and 21,415.40 is: 32,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,452.20 : 33,620.70 = 21,415.40 : x
  2. Step 2: Convert to fraction form
    22,452.20/33,620.70 = 21,415.40/x
  3. Step 3: Cross multiply
    22,452.20x = 33,620.70 × 21,415.40
  4. Step 4: Simplify right side
    22,452.20x = 720,000,738.78
  5. Step 5: Solve for x
    x = 720,000,738.78/22,452.20
  6. Step 6: Final answer
    x = 32,068.16

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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.