Home / 27,896.96-38,498.48-15,321.98

Finding the Fourth Proportional to 27,896.96, 38,498.48 and 15,321.98

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Solution

The fourth proportional to 27,896.96, 38,498.48 and 15,321.98 is: 21,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,896.96 : 38,498.48 = 15,321.98 : x
  2. Step 2: Convert to fraction form
    27,896.96/38,498.48 = 15,321.98/x
  3. Step 3: Cross multiply
    27,896.96x = 38,498.48 × 15,321.98
  4. Step 4: Simplify right side
    27,896.96x = 589,872,671.49
  5. Step 5: Solve for x
    x = 589,872,671.49/27,896.96
  6. Step 6: Final answer
    x = 21,144.70

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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.