Home / 22,891.28-34,361.18-20,275.75

Finding the Fourth Proportional to 22,891.28, 34,361.18 and 20,275.75

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Solution

The fourth proportional to 22,891.28, 34,361.18 and 20,275.75 is: 30,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,891.28 : 34,361.18 = 20,275.75 : x
  2. Step 2: Convert to fraction form
    22,891.28/34,361.18 = 20,275.75/x
  3. Step 3: Cross multiply
    22,891.28x = 34,361.18 × 20,275.75
  4. Step 4: Simplify right side
    22,891.28x = 696,698,712.99
  5. Step 5: Solve for x
    x = 696,698,712.99/22,891.28
  6. Step 6: Final answer
    x = 30,435.12

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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.