Home / 27,919.09-41,894.03-12,336.31

Finding the Fourth Proportional to 27,919.09, 41,894.03 and 12,336.31

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Solution

The fourth proportional to 27,919.09, 41,894.03 and 12,336.31 is: 18,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.09 : 41,894.03 = 12,336.31 : x
  2. Step 2: Convert to fraction form
    27,919.09/41,894.03 = 12,336.31/x
  3. Step 3: Cross multiply
    27,919.09x = 41,894.03 × 12,336.31
  4. Step 4: Simplify right side
    27,919.09x = 516,817,741.23
  5. Step 5: Solve for x
    x = 516,817,741.23/27,919.09
  6. Step 6: Final answer
    x = 18,511.27

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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.