Home / 27,884.88-38,474.55-15,954.81

Finding the Fourth Proportional to 27,884.88, 38,474.55 and 15,954.81

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Solution

The fourth proportional to 27,884.88, 38,474.55 and 15,954.81 is: 22,013.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,884.88 : 38,474.55 = 15,954.81 : x
  2. Step 2: Convert to fraction form
    27,884.88/38,474.55 = 15,954.81/x
  3. Step 3: Cross multiply
    27,884.88x = 38,474.55 × 15,954.81
  4. Step 4: Simplify right side
    27,884.88x = 613,854,135.09
  5. Step 5: Solve for x
    x = 613,854,135.09/27,884.88
  6. Step 6: Final answer
    x = 22,013.87

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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.