Home / 28,569.20-39,425.48-15,993.95

Finding the Fourth Proportional to 28,569.20, 39,425.48 and 15,993.95

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Solution

The fourth proportional to 28,569.20, 39,425.48 and 15,993.95 is: 22,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569.20 : 39,425.48 = 15,993.95 : x
  2. Step 2: Convert to fraction form
    28,569.20/39,425.48 = 15,993.95/x
  3. Step 3: Cross multiply
    28,569.20x = 39,425.48 × 15,993.95
  4. Step 4: Simplify right side
    28,569.20x = 630,568,878.75
  5. Step 5: Solve for x
    x = 630,568,878.75/28,569.20
  6. Step 6: Final answer
    x = 22,071.64

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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.