Home / 26,166.07-36,122.97-21,005.43

Finding the Fourth Proportional to 26,166.07, 36,122.97 and 21,005.43

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Solution

The fourth proportional to 26,166.07, 36,122.97 and 21,005.43 is: 28,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,166.07 : 36,122.97 = 21,005.43 : x
  2. Step 2: Convert to fraction form
    26,166.07/36,122.97 = 21,005.43/x
  3. Step 3: Cross multiply
    26,166.07x = 36,122.97 × 21,005.43
  4. Step 4: Simplify right side
    26,166.07x = 758,778,517.73
  5. Step 5: Solve for x
    x = 758,778,517.73/26,166.07
  6. Step 6: Final answer
    x = 28,998.57

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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.