Home / 27,647.90-41,459.37-7,921.94

Finding the Fourth Proportional to 27,647.90, 41,459.37 and 7,921.94

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Solution

The fourth proportional to 27,647.90, 41,459.37 and 7,921.94 is: 11,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,647.90 : 41,459.37 = 7,921.94 : x
  2. Step 2: Convert to fraction form
    27,647.90/41,459.37 = 7,921.94/x
  3. Step 3: Cross multiply
    27,647.90x = 41,459.37 × 7,921.94
  4. Step 4: Simplify right side
    27,647.90x = 328,438,641.58
  5. Step 5: Solve for x
    x = 328,438,641.58/27,647.90
  6. Step 6: Final answer
    x = 11,879.33

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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.