Home / 28,906.10-43,391.55-22,361.30

Finding the Fourth Proportional to 28,906.10, 43,391.55 and 22,361.30

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Solution

The fourth proportional to 28,906.10, 43,391.55 and 22,361.30 is: 33,567.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.10 : 43,391.55 = 22,361.30 : x
  2. Step 2: Convert to fraction form
    28,906.10/43,391.55 = 22,361.30/x
  3. Step 3: Cross multiply
    28,906.10x = 43,391.55 × 22,361.30
  4. Step 4: Simplify right side
    28,906.10x = 970,291,467.02
  5. Step 5: Solve for x
    x = 970,291,467.02/28,906.10
  6. Step 6: Final answer
    x = 33,567.01

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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.