Home / 27,918.36-41,879.14-7,926.29

Finding the Fourth Proportional to 27,918.36, 41,879.14 and 7,926.29

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Solution

The fourth proportional to 27,918.36, 41,879.14 and 7,926.29 is: 11,889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918.36 : 41,879.14 = 7,926.29 : x
  2. Step 2: Convert to fraction form
    27,918.36/41,879.14 = 7,926.29/x
  3. Step 3: Cross multiply
    27,918.36x = 41,879.14 × 7,926.29
  4. Step 4: Simplify right side
    27,918.36x = 331,946,168.96
  5. Step 5: Solve for x
    x = 331,946,168.96/27,918.36
  6. Step 6: Final answer
    x = 11,889.89

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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.