Home / 20,166.82-27,826.68-13,798.60

Finding the Fourth Proportional to 20,166.82, 27,826.68 and 13,798.60

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Solution

The fourth proportional to 20,166.82, 27,826.68 and 13,798.60 is: 19,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.82 : 27,826.68 = 13,798.60 : x
  2. Step 2: Convert to fraction form
    20,166.82/27,826.68 = 13,798.60/x
  3. Step 3: Cross multiply
    20,166.82x = 27,826.68 × 13,798.60
  4. Step 4: Simplify right side
    20,166.82x = 383,969,226.65
  5. Step 5: Solve for x
    x = 383,969,226.65/20,166.82
  6. Step 6: Final answer
    x = 19,039.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.