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Finding the Fourth Proportional to 22,256.60, 33,320.10 and 21,608.60

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Solution

The fourth proportional to 22,256.60, 33,320.10 and 21,608.60 is: 32,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,256.60 : 33,320.10 = 21,608.60 : x
  2. Step 2: Convert to fraction form
    22,256.60/33,320.10 = 21,608.60/x
  3. Step 3: Cross multiply
    22,256.60x = 33,320.10 × 21,608.60
  4. Step 4: Simplify right side
    22,256.60x = 720,000,712.86
  5. Step 5: Solve for x
    x = 720,000,712.86/22,256.60
  6. Step 6: Final answer
    x = 32,349.99

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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.