Home / 18,406.24-27,601.32-5,255.68

Finding the Fourth Proportional to 18,406.24, 27,601.32 and 5,255.68

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Solution

The fourth proportional to 18,406.24, 27,601.32 and 5,255.68 is: 7,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.24 : 27,601.32 = 5,255.68 : x
  2. Step 2: Convert to fraction form
    18,406.24/27,601.32 = 5,255.68/x
  3. Step 3: Cross multiply
    18,406.24x = 27,601.32 × 5,255.68
  4. Step 4: Simplify right side
    18,406.24x = 145,063,705.50
  5. Step 5: Solve for x
    x = 145,063,705.50/18,406.24
  6. Step 6: Final answer
    x = 7,881.22

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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.