Home / 28,004.13-41,997.49-9,279.97

Finding the Fourth Proportional to 28,004.13, 41,997.49 and 9,279.97

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Solution

The fourth proportional to 28,004.13, 41,997.49 and 9,279.97 is: 13,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.13 : 41,997.49 = 9,279.97 : x
  2. Step 2: Convert to fraction form
    28,004.13/41,997.49 = 9,279.97/x
  3. Step 3: Cross multiply
    28,004.13x = 41,997.49 × 9,279.97
  4. Step 4: Simplify right side
    28,004.13x = 389,735,319.08
  5. Step 5: Solve for x
    x = 389,735,319.08/28,004.13
  6. Step 6: Final answer
    x = 13,917.07

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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.