Home / 28,660.14-42,992.94-11,131.34

Finding the Fourth Proportional to 28,660.14, 42,992.94 and 11,131.34

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Solution

The fourth proportional to 28,660.14, 42,992.94 and 11,131.34 is: 16,698.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,660.14 : 42,992.94 = 11,131.34 : x
  2. Step 2: Convert to fraction form
    28,660.14/42,992.94 = 11,131.34/x
  3. Step 3: Cross multiply
    28,660.14x = 42,992.94 × 11,131.34
  4. Step 4: Simplify right side
    28,660.14x = 478,568,817.77
  5. Step 5: Solve for x
    x = 478,568,817.77/28,660.14
  6. Step 6: Final answer
    x = 16,698.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.