Home / 20,037.26-27,651.83-12,077.79

Finding the Fourth Proportional to 20,037.26, 27,651.83 and 12,077.79

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Solution

The fourth proportional to 20,037.26, 27,651.83 and 12,077.79 is: 16,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.26 : 27,651.83 = 12,077.79 : x
  2. Step 2: Convert to fraction form
    20,037.26/27,651.83 = 12,077.79/x
  3. Step 3: Cross multiply
    20,037.26x = 27,651.83 × 12,077.79
  4. Step 4: Simplify right side
    20,037.26x = 333,972,935.47
  5. Step 5: Solve for x
    x = 333,972,935.47/20,037.26
  6. Step 6: Final answer
    x = 16,667.60

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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.