Home / 26,940.80-37,179.20-15,005.86

Finding the Fourth Proportional to 26,940.80, 37,179.20 and 15,005.86

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Solution

The fourth proportional to 26,940.80, 37,179.20 and 15,005.86 is: 20,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.80 : 37,179.20 = 15,005.86 : x
  2. Step 2: Convert to fraction form
    26,940.80/37,179.20 = 15,005.86/x
  3. Step 3: Cross multiply
    26,940.80x = 37,179.20 × 15,005.86
  4. Step 4: Simplify right side
    26,940.80x = 557,905,814.68
  5. Step 5: Solve for x
    x = 557,905,814.68/26,940.80
  6. Step 6: Final answer
    x = 20,708.58

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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.