Home / 22,032.60-32,838.89-20,787.22

Finding the Fourth Proportional to 22,032.60, 32,838.89 and 20,787.22

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Solution

The fourth proportional to 22,032.60, 32,838.89 and 20,787.22 is: 30,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,032.60 : 32,838.89 = 20,787.22 : x
  2. Step 2: Convert to fraction form
    22,032.60/32,838.89 = 20,787.22/x
  3. Step 3: Cross multiply
    22,032.60x = 32,838.89 × 20,787.22
  4. Step 4: Simplify right side
    22,032.60x = 682,629,230.99
  5. Step 5: Solve for x
    x = 682,629,230.99/22,032.60
  6. Step 6: Final answer
    x = 30,982.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.