Home / 27,791.58-38,351.94-15,216.32

Finding the Fourth Proportional to 27,791.58, 38,351.94 and 15,216.32

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Solution

The fourth proportional to 27,791.58, 38,351.94 and 15,216.32 is: 20,998.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,791.58 : 38,351.94 = 15,216.32 : x
  2. Step 2: Convert to fraction form
    27,791.58/38,351.94 = 15,216.32/x
  3. Step 3: Cross multiply
    27,791.58x = 38,351.94 × 15,216.32
  4. Step 4: Simplify right side
    27,791.58x = 583,575,391.66
  5. Step 5: Solve for x
    x = 583,575,391.66/27,791.58
  6. Step 6: Final answer
    x = 20,998.28

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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.