Home / 27,619.32-41,406.48-12,837.54

Finding the Fourth Proportional to 27,619.32, 41,406.48 and 12,837.54

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Solution

The fourth proportional to 27,619.32, 41,406.48 and 12,837.54 is: 19,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.32 : 41,406.48 = 12,837.54 : x
  2. Step 2: Convert to fraction form
    27,619.32/41,406.48 = 12,837.54/x
  3. Step 3: Cross multiply
    27,619.32x = 41,406.48 × 12,837.54
  4. Step 4: Simplify right side
    27,619.32x = 531,557,343.26
  5. Step 5: Solve for x
    x = 531,557,343.26/27,619.32
  6. Step 6: Final answer
    x = 19,245.85

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1.5x scale

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.