Home / 17,919.93-26,879.11-4,772.32

Finding the Fourth Proportional to 17,919.93, 26,879.11 and 4,772.32

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Solution

The fourth proportional to 17,919.93, 26,879.11 and 4,772.32 is: 7,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.93 : 26,879.11 = 4,772.32 : x
  2. Step 2: Convert to fraction form
    17,919.93/26,879.11 = 4,772.32/x
  3. Step 3: Cross multiply
    17,919.93x = 26,879.11 × 4,772.32
  4. Step 4: Simplify right side
    17,919.93x = 128,275,635.11
  5. Step 5: Solve for x
    x = 128,275,635.11/17,919.93
  6. Step 6: Final answer
    x = 7,158.27

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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.