Home / 28,569.22-39,421.83-15,993.97

Finding the Fourth Proportional to 28,569.22, 39,421.83 and 15,993.97

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Solution

The fourth proportional to 28,569.22, 39,421.83 and 15,993.97 is: 22,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569.22 : 39,421.83 = 15,993.97 : x
  2. Step 2: Convert to fraction form
    28,569.22/39,421.83 = 15,993.97/x
  3. Step 3: Cross multiply
    28,569.22x = 39,421.83 × 15,993.97
  4. Step 4: Simplify right side
    28,569.22x = 630,511,566.37
  5. Step 5: Solve for x
    x = 630,511,566.37/28,569.22
  6. Step 6: Final answer
    x = 22,069.61

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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.