Home / 20,037.43-27,653.71-11,539.87

Finding the Fourth Proportional to 20,037.43, 27,653.71 and 11,539.87

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Solution

The fourth proportional to 20,037.43, 27,653.71 and 11,539.87 is: 15,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.43 : 27,653.71 = 11,539.87 : x
  2. Step 2: Convert to fraction form
    20,037.43/27,653.71 = 11,539.87/x
  3. Step 3: Cross multiply
    20,037.43x = 27,653.71 × 11,539.87
  4. Step 4: Simplify right side
    20,037.43x = 319,120,218.42
  5. Step 5: Solve for x
    x = 319,120,218.42/20,037.43
  6. Step 6: Final answer
    x = 15,926.21

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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.