Home / 20,037.81-27,674.85-13,653.33

Finding the Fourth Proportional to 20,037.81, 27,674.85 and 13,653.33

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Solution

The fourth proportional to 20,037.81, 27,674.85 and 13,653.33 is: 18,857.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.81 : 27,674.85 = 13,653.33 : x
  2. Step 2: Convert to fraction form
    20,037.81/27,674.85 = 13,653.33/x
  3. Step 3: Cross multiply
    20,037.81x = 27,674.85 × 13,653.33
  4. Step 4: Simplify right side
    20,037.81x = 377,853,859.75
  5. Step 5: Solve for x
    x = 377,853,859.75/20,037.81
  6. Step 6: Final answer
    x = 18,857.04

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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.