Home / 18,181.60-27,272.32-5,033.84

Finding the Fourth Proportional to 18,181.60, 27,272.32 and 5,033.84

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Solution

The fourth proportional to 18,181.60, 27,272.32 and 5,033.84 is: 7,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.60 : 27,272.32 = 5,033.84 : x
  2. Step 2: Convert to fraction form
    18,181.60/27,272.32 = 5,033.84/x
  3. Step 3: Cross multiply
    18,181.60x = 27,272.32 × 5,033.84
  4. Step 4: Simplify right side
    18,181.60x = 137,284,495.31
  5. Step 5: Solve for x
    x = 137,284,495.31/18,181.60
  6. Step 6: Final answer
    x = 7,550.74

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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.