Home / 27,860.59-38,447.49-16,535.71

Finding the Fourth Proportional to 27,860.59, 38,447.49 and 16,535.71

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Solution

The fourth proportional to 27,860.59, 38,447.49 and 16,535.71 is: 22,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,860.59 : 38,447.49 = 16,535.71 : x
  2. Step 2: Convert to fraction form
    27,860.59/38,447.49 = 16,535.71/x
  3. Step 3: Cross multiply
    27,860.59x = 38,447.49 × 16,535.71
  4. Step 4: Simplify right side
    27,860.59x = 635,756,544.87
  5. Step 5: Solve for x
    x = 635,756,544.87/27,860.59
  6. Step 6: Final answer
    x = 22,819.21

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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.