Home / 28,884.52-39,860.13-16,136.88

Finding the Fourth Proportional to 28,884.52, 39,860.13 and 16,136.88

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Solution

The fourth proportional to 28,884.52, 39,860.13 and 16,136.88 is: 22,268.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.52 : 39,860.13 = 16,136.88 : x
  2. Step 2: Convert to fraction form
    28,884.52/39,860.13 = 16,136.88/x
  3. Step 3: Cross multiply
    28,884.52x = 39,860.13 × 16,136.88
  4. Step 4: Simplify right side
    28,884.52x = 643,218,134.59
  5. Step 5: Solve for x
    x = 643,218,134.59/28,884.52
  6. Step 6: Final answer
    x = 22,268.61

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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.