Home / 28,589.22-39,449.43-16,013.97

Finding the Fourth Proportional to 28,589.22, 39,449.43 and 16,013.97

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Solution

The fourth proportional to 28,589.22, 39,449.43 and 16,013.97 is: 22,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589.22 : 39,449.43 = 16,013.97 : x
  2. Step 2: Convert to fraction form
    28,589.22/39,449.43 = 16,013.97/x
  3. Step 3: Cross multiply
    28,589.22x = 39,449.43 × 16,013.97
  4. Step 4: Simplify right side
    28,589.22x = 631,741,988.54
  5. Step 5: Solve for x
    x = 631,741,988.54/28,589.22
  6. Step 6: Final answer
    x = 22,097.21

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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.