Home / 27,796.14-38,358.29-15,220.89

Finding the Fourth Proportional to 27,796.14, 38,358.29 and 15,220.89

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Solution

The fourth proportional to 27,796.14, 38,358.29 and 15,220.89 is: 21,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,796.14 : 38,358.29 = 15,220.89 : x
  2. Step 2: Convert to fraction form
    27,796.14/38,358.29 = 15,220.89/x
  3. Step 3: Cross multiply
    27,796.14x = 38,358.29 × 15,220.89
  4. Step 4: Simplify right side
    27,796.14x = 583,847,350.73
  5. Step 5: Solve for x
    x = 583,847,350.73/27,796.14
  6. Step 6: Final answer
    x = 21,004.62

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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.