Home / 27,942.08-38,550.62-15,841.26

Finding the Fourth Proportional to 27,942.08, 38,550.62 and 15,841.26

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Solution

The fourth proportional to 27,942.08, 38,550.62 and 15,841.26 is: 21,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.08 : 38,550.62 = 15,841.26 : x
  2. Step 2: Convert to fraction form
    27,942.08/38,550.62 = 15,841.26/x
  3. Step 3: Cross multiply
    27,942.08x = 38,550.62 × 15,841.26
  4. Step 4: Simplify right side
    27,942.08x = 610,690,434.18
  5. Step 5: Solve for x
    x = 610,690,434.18/27,942.08
  6. Step 6: Final answer
    x = 21,855.59

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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.