Home / 27,846.86-38,425.12-15,910.97

Finding the Fourth Proportional to 27,846.86, 38,425.12 and 15,910.97

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Solution

The fourth proportional to 27,846.86, 38,425.12 and 15,910.97 is: 21,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,846.86 : 38,425.12 = 15,910.97 : x
  2. Step 2: Convert to fraction form
    27,846.86/38,425.12 = 15,910.97/x
  3. Step 3: Cross multiply
    27,846.86x = 38,425.12 × 15,910.97
  4. Step 4: Simplify right side
    27,846.86x = 611,380,852.01
  5. Step 5: Solve for x
    x = 611,380,852.01/27,846.86
  6. Step 6: Final answer
    x = 21,955.11

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Half scale
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Double scale
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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.