Home / 18,108.84-27,165.32-5,625.96

Finding the Fourth Proportional to 18,108.84, 27,165.32 and 5,625.96

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Solution

The fourth proportional to 18,108.84, 27,165.32 and 5,625.96 is: 8,439.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.84 : 27,165.32 = 5,625.96 : x
  2. Step 2: Convert to fraction form
    18,108.84/27,165.32 = 5,625.96/x
  3. Step 3: Cross multiply
    18,108.84x = 27,165.32 × 5,625.96
  4. Step 4: Simplify right side
    18,108.84x = 152,831,003.71
  5. Step 5: Solve for x
    x = 152,831,003.71/18,108.84
  6. Step 6: Final answer
    x = 8,439.58

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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.