Home / 28,906.16-43,361.96-11,371.88

Finding the Fourth Proportional to 28,906.16, 43,361.96 and 11,371.88

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Solution

The fourth proportional to 28,906.16, 43,361.96 and 11,371.88 is: 17,058.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.16 : 43,361.96 = 11,371.88 : x
  2. Step 2: Convert to fraction form
    28,906.16/43,361.96 = 11,371.88/x
  3. Step 3: Cross multiply
    28,906.16x = 43,361.96 × 11,371.88
  4. Step 4: Simplify right side
    28,906.16x = 493,106,732.02
  5. Step 5: Solve for x
    x = 493,106,732.02/28,906.16
  6. Step 6: Final answer
    x = 17,058.88

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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.