Home / 27,539.44-38,003.76-15,439.12

Finding the Fourth Proportional to 27,539.44, 38,003.76 and 15,439.12

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Solution

The fourth proportional to 27,539.44, 38,003.76 and 15,439.12 is: 21,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,539.44 : 38,003.76 = 15,439.12 : x
  2. Step 2: Convert to fraction form
    27,539.44/38,003.76 = 15,439.12/x
  3. Step 3: Cross multiply
    27,539.44x = 38,003.76 × 15,439.12
  4. Step 4: Simplify right side
    27,539.44x = 586,744,611.09
  5. Step 5: Solve for x
    x = 586,744,611.09/27,539.44
  6. Step 6: Final answer
    x = 21,305.61

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Half scale
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Double scale
Find fourth proportional to 27,540.44, 38,005.14 and 15,440.12
Similar ratio
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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.