Home / 28,568.69-39,426.61-15,993.44

Finding the Fourth Proportional to 28,568.69, 39,426.61 and 15,993.44

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Solution

The fourth proportional to 28,568.69, 39,426.61 and 15,993.44 is: 22,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,568.69 : 39,426.61 = 15,993.44 : x
  2. Step 2: Convert to fraction form
    28,568.69/39,426.61 = 15,993.44/x
  3. Step 3: Cross multiply
    28,568.69x = 39,426.61 × 15,993.44
  4. Step 4: Simplify right side
    28,568.69x = 630,567,121.44
  5. Step 5: Solve for x
    x = 630,567,121.44/28,568.69
  6. Step 6: Final answer
    x = 22,071.96

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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.