Home / 28,004.68-41,998.51-13,198.69

Finding the Fourth Proportional to 28,004.68, 41,998.51 and 13,198.69

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Solution

The fourth proportional to 28,004.68, 41,998.51 and 13,198.69 is: 19,794.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.68 : 41,998.51 = 13,198.69 : x
  2. Step 2: Convert to fraction form
    28,004.68/41,998.51 = 13,198.69/x
  3. Step 3: Cross multiply
    28,004.68x = 41,998.51 × 13,198.69
  4. Step 4: Simplify right side
    28,004.68x = 554,325,313.95
  5. Step 5: Solve for x
    x = 554,325,313.95/28,004.68
  6. Step 6: Final answer
    x = 19,794.02

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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.