Home / 18,020.25-27,030.74-4,873.77

Finding the Fourth Proportional to 18,020.25, 27,030.74 and 4,873.77

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Solution

The fourth proportional to 18,020.25, 27,030.74 and 4,873.77 is: 7,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.25 : 27,030.74 = 4,873.77 : x
  2. Step 2: Convert to fraction form
    18,020.25/27,030.74 = 4,873.77/x
  3. Step 3: Cross multiply
    18,020.25x = 27,030.74 × 4,873.77
  4. Step 4: Simplify right side
    18,020.25x = 131,741,585.32
  5. Step 5: Solve for x
    x = 131,741,585.32/18,020.25
  6. Step 6: Final answer
    x = 7,310.75

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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.