Home / 27,128.67-40,694.40-9,359.25

Finding the Fourth Proportional to 27,128.67, 40,694.40 and 9,359.25

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Solution

The fourth proportional to 27,128.67, 40,694.40 and 9,359.25 is: 14,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128.67 : 40,694.40 = 9,359.25 : x
  2. Step 2: Convert to fraction form
    27,128.67/40,694.40 = 9,359.25/x
  3. Step 3: Cross multiply
    27,128.67x = 40,694.40 × 9,359.25
  4. Step 4: Simplify right side
    27,128.67x = 380,869,063.20
  5. Step 5: Solve for x
    x = 380,869,063.20/27,128.67
  6. Step 6: Final answer
    x = 14,039.36

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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.