Home / 27,755.96-41,647.61-12,965.92

Finding the Fourth Proportional to 27,755.96, 41,647.61 and 12,965.92

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Solution

The fourth proportional to 27,755.96, 41,647.61 and 12,965.92 is: 19,455.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755.96 : 41,647.61 = 12,965.92 : x
  2. Step 2: Convert to fraction form
    27,755.96/41,647.61 = 12,965.92/x
  3. Step 3: Cross multiply
    27,755.96x = 41,647.61 × 12,965.92
  4. Step 4: Simplify right side
    27,755.96x = 539,999,371.21
  5. Step 5: Solve for x
    x = 539,999,371.21/27,755.96
  6. Step 6: Final answer
    x = 19,455.26

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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.