Home / 26,627.93-39,879.62-21,043.79

Finding the Fourth Proportional to 26,627.93, 39,879.62 and 21,043.79

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Solution

The fourth proportional to 26,627.93, 39,879.62 and 21,043.79 is: 31,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,627.93 : 39,879.62 = 21,043.79 : x
  2. Step 2: Convert to fraction form
    26,627.93/39,879.62 = 21,043.79/x
  3. Step 3: Cross multiply
    26,627.93x = 39,879.62 × 21,043.79
  4. Step 4: Simplify right side
    26,627.93x = 839,218,348.56
  5. Step 5: Solve for x
    x = 839,218,348.56/26,627.93
  6. Step 6: Final answer
    x = 31,516.47

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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.