Home / 20,064.29-27,674.97-13,765.73

Finding the Fourth Proportional to 20,064.29, 27,674.97 and 13,765.73

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Solution

The fourth proportional to 20,064.29, 27,674.97 and 13,765.73 is: 18,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.29 : 27,674.97 = 13,765.73 : x
  2. Step 2: Convert to fraction form
    20,064.29/27,674.97 = 13,765.73/x
  3. Step 3: Cross multiply
    20,064.29x = 27,674.97 × 13,765.73
  4. Step 4: Simplify right side
    20,064.29x = 380,966,164.78
  5. Step 5: Solve for x
    x = 380,966,164.78/20,064.29
  6. Step 6: Final answer
    x = 18,987.27

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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.