Home / 20,049.78-27,669.35-11,551.23

Finding the Fourth Proportional to 20,049.78, 27,669.35 and 11,551.23

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Solution

The fourth proportional to 20,049.78, 27,669.35 and 11,551.23 is: 15,941.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.78 : 27,669.35 = 11,551.23 : x
  2. Step 2: Convert to fraction form
    20,049.78/27,669.35 = 11,551.23/x
  3. Step 3: Cross multiply
    20,049.78x = 27,669.35 × 11,551.23
  4. Step 4: Simplify right side
    20,049.78x = 319,615,067.52
  5. Step 5: Solve for x
    x = 319,615,067.52/20,049.78
  6. Step 6: Final answer
    x = 15,941.08

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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.