Home / 18,025.66-27,038.51-4,879.07

Finding the Fourth Proportional to 18,025.66, 27,038.51 and 4,879.07

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Solution

The fourth proportional to 18,025.66, 27,038.51 and 4,879.07 is: 7,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.66 : 27,038.51 = 4,879.07 : x
  2. Step 2: Convert to fraction form
    18,025.66/27,038.51 = 4,879.07/x
  3. Step 3: Cross multiply
    18,025.66x = 27,038.51 × 4,879.07
  4. Step 4: Simplify right side
    18,025.66x = 131,922,782.99
  5. Step 5: Solve for x
    x = 131,922,782.99/18,025.66
  6. Step 6: Final answer
    x = 7,318.61

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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.