Home / 22,231.20-33,411.60-21,842.40

Finding the Fourth Proportional to 22,231.20, 33,411.60 and 21,842.40

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Solution

The fourth proportional to 22,231.20, 33,411.60 and 21,842.40 is: 32,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,231.20 : 33,411.60 = 21,842.40 : x
  2. Step 2: Convert to fraction form
    22,231.20/33,411.60 = 21,842.40/x
  3. Step 3: Cross multiply
    22,231.20x = 33,411.60 × 21,842.40
  4. Step 4: Simplify right side
    22,231.20x = 729,789,531.84
  5. Step 5: Solve for x
    x = 729,789,531.84/22,231.20
  6. Step 6: Final answer
    x = 32,827.27

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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.