Home / 28,906.26-43,333.08-11,125.56

Finding the Fourth Proportional to 28,906.26, 43,333.08 and 11,125.56

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Solution

The fourth proportional to 28,906.26, 43,333.08 and 11,125.56 is: 16,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.26 : 43,333.08 = 11,125.56 : x
  2. Step 2: Convert to fraction form
    28,906.26/43,333.08 = 11,125.56/x
  3. Step 3: Cross multiply
    28,906.26x = 43,333.08 × 11,125.56
  4. Step 4: Simplify right side
    28,906.26x = 482,104,781.52
  5. Step 5: Solve for x
    x = 482,104,781.52/28,906.26
  6. Step 6: Final answer
    x = 16,678.21

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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.