Home / 28,093.09-38,767.55-15,992.83

Finding the Fourth Proportional to 28,093.09, 38,767.55 and 15,992.83

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Solution

The fourth proportional to 28,093.09, 38,767.55 and 15,992.83 is: 22,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.09 : 38,767.55 = 15,992.83 : x
  2. Step 2: Convert to fraction form
    28,093.09/38,767.55 = 15,992.83/x
  3. Step 3: Cross multiply
    28,093.09x = 38,767.55 × 15,992.83
  4. Step 4: Simplify right side
    28,093.09x = 620,002,836.67
  5. Step 5: Solve for x
    x = 620,002,836.67/28,093.09
  6. Step 6: Final answer
    x = 22,069.58

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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.