Home / 18,026.28-27,040.46-4,879.71

Finding the Fourth Proportional to 18,026.28, 27,040.46 and 4,879.71

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Solution

The fourth proportional to 18,026.28, 27,040.46 and 4,879.71 is: 7,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.28 : 27,040.46 = 4,879.71 : x
  2. Step 2: Convert to fraction form
    18,026.28/27,040.46 = 4,879.71/x
  3. Step 3: Cross multiply
    18,026.28x = 27,040.46 × 4,879.71
  4. Step 4: Simplify right side
    18,026.28x = 131,949,578.67
  5. Step 5: Solve for x
    x = 131,949,578.67/18,026.28
  6. Step 6: Final answer
    x = 7,319.85

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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.