Home / 28,839.44-39,805.64-16,271.48

Finding the Fourth Proportional to 28,839.44, 39,805.64 and 16,271.48

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Solution

The fourth proportional to 28,839.44, 39,805.64 and 16,271.48 is: 22,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.44 : 39,805.64 = 16,271.48 : x
  2. Step 2: Convert to fraction form
    28,839.44/39,805.64 = 16,271.48/x
  3. Step 3: Cross multiply
    28,839.44x = 39,805.64 × 16,271.48
  4. Step 4: Simplify right side
    28,839.44x = 647,696,675.15
  5. Step 5: Solve for x
    x = 647,696,675.15/28,839.44
  6. Step 6: Final answer
    x = 22,458.71

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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.