Home / 27,736.72-38,277.84-15,162.28

Finding the Fourth Proportional to 27,736.72, 38,277.84 and 15,162.28

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Solution

The fourth proportional to 27,736.72, 38,277.84 and 15,162.28 is: 20,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.72 : 38,277.84 = 15,162.28 : x
  2. Step 2: Convert to fraction form
    27,736.72/38,277.84 = 15,162.28/x
  3. Step 3: Cross multiply
    27,736.72x = 38,277.84 × 15,162.28
  4. Step 4: Simplify right side
    27,736.72x = 580,379,327.88
  5. Step 5: Solve for x
    x = 580,379,327.88/27,736.72
  6. Step 6: Final answer
    x = 20,924.58

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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.