Home / 26,751.78-40,043.61-18,382.86

Finding the Fourth Proportional to 26,751.78, 40,043.61 and 18,382.86

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Solution

The fourth proportional to 26,751.78, 40,043.61 and 18,382.86 is: 27,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,751.78 : 40,043.61 = 18,382.86 : x
  2. Step 2: Convert to fraction form
    26,751.78/40,043.61 = 18,382.86/x
  3. Step 3: Cross multiply
    26,751.78x = 40,043.61 × 18,382.86
  4. Step 4: Simplify right side
    26,751.78x = 736,116,076.52
  5. Step 5: Solve for x
    x = 736,116,076.52/26,751.78
  6. Step 6: Final answer
    x = 27,516.53

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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.