Home / 27,611.32-41,354.67-12,789.10

Finding the Fourth Proportional to 27,611.32, 41,354.67 and 12,789.10

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Solution

The fourth proportional to 27,611.32, 41,354.67 and 12,789.10 is: 19,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611.32 : 41,354.67 = 12,789.10 : x
  2. Step 2: Convert to fraction form
    27,611.32/41,354.67 = 12,789.10/x
  3. Step 3: Cross multiply
    27,611.32x = 41,354.67 × 12,789.10
  4. Step 4: Simplify right side
    27,611.32x = 528,888,858.75
  5. Step 5: Solve for x
    x = 528,888,858.75/27,611.32
  6. Step 6: Final answer
    x = 19,154.79

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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.