Home / 17,887.90-26,832.09-5,408.02

Finding the Fourth Proportional to 17,887.90, 26,832.09 and 5,408.02

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Solution

The fourth proportional to 17,887.90, 26,832.09 and 5,408.02 is: 8,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.90 : 26,832.09 = 5,408.02 : x
  2. Step 2: Convert to fraction form
    17,887.90/26,832.09 = 5,408.02/x
  3. Step 3: Cross multiply
    17,887.90x = 26,832.09 × 5,408.02
  4. Step 4: Simplify right side
    17,887.90x = 145,108,479.36
  5. Step 5: Solve for x
    x = 145,108,479.36/17,887.90
  6. Step 6: Final answer
    x = 8,112.10

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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.