Home / 25,893.12-35,717.94-15,542.22

Finding the Fourth Proportional to 25,893.12, 35,717.94 and 15,542.22

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Solution

The fourth proportional to 25,893.12, 35,717.94 and 15,542.22 is: 21,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,893.12 : 35,717.94 = 15,542.22 : x
  2. Step 2: Convert to fraction form
    25,893.12/35,717.94 = 15,542.22/x
  3. Step 3: Cross multiply
    25,893.12x = 35,717.94 × 15,542.22
  4. Step 4: Simplify right side
    25,893.12x = 555,136,081.43
  5. Step 5: Solve for x
    x = 555,136,081.43/25,893.12
  6. Step 6: Final answer
    x = 21,439.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.