Home / 28,738.27-39,658.84-15,992.62

Finding the Fourth Proportional to 28,738.27, 39,658.84 and 15,992.62

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Solution

The fourth proportional to 28,738.27, 39,658.84 and 15,992.62 is: 22,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.27 : 39,658.84 = 15,992.62 : x
  2. Step 2: Convert to fraction form
    28,738.27/39,658.84 = 15,992.62/x
  3. Step 3: Cross multiply
    28,738.27x = 39,658.84 × 15,992.62
  4. Step 4: Simplify right side
    28,738.27x = 634,248,757.76
  5. Step 5: Solve for x
    x = 634,248,757.76/28,738.27
  6. Step 6: Final answer
    x = 22,069.83

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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.