Home / 27,738.44-38,279.00-15,163.19

Finding the Fourth Proportional to 27,738.44, 38,279.00 and 15,163.19

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Solution

The fourth proportional to 27,738.44, 38,279.00 and 15,163.19 is: 20,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,738.44 : 38,279.00 = 15,163.19 : x
  2. Step 2: Convert to fraction form
    27,738.44/38,279.00 = 15,163.19/x
  3. Step 3: Cross multiply
    27,738.44x = 38,279.00 × 15,163.19
  4. Step 4: Simplify right side
    27,738.44x = 580,431,674.19
  5. Step 5: Solve for x
    x = 580,431,674.19/27,738.44
  6. Step 6: Final answer
    x = 20,925.17

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Half scale
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Double scale
Find fourth proportional to 27,739.44, 38,280.37 and 15,164.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.