Home / 20,057.67-27,682.70-11,443.86

Finding the Fourth Proportional to 20,057.67, 27,682.70 and 11,443.86

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Solution

The fourth proportional to 20,057.67, 27,682.70 and 11,443.86 is: 15,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.67 : 27,682.70 = 11,443.86 : x
  2. Step 2: Convert to fraction form
    20,057.67/27,682.70 = 11,443.86/x
  3. Step 3: Cross multiply
    20,057.67x = 27,682.70 × 11,443.86
  4. Step 4: Simplify right side
    20,057.67x = 316,796,886.00
  5. Step 5: Solve for x
    x = 316,796,886.00/20,057.67
  6. Step 6: Final answer
    x = 15,794.30

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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.