Home / 28,760.82-39,689.85-16,185.58

Finding the Fourth Proportional to 28,760.82, 39,689.85 and 16,185.58

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Solution

The fourth proportional to 28,760.82, 39,689.85 and 16,185.58 is: 22,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760.82 : 39,689.85 = 16,185.58 : x
  2. Step 2: Convert to fraction form
    28,760.82/39,689.85 = 16,185.58/x
  3. Step 3: Cross multiply
    28,760.82x = 39,689.85 × 16,185.58
  4. Step 4: Simplify right side
    28,760.82x = 642,403,242.36
  5. Step 5: Solve for x
    x = 642,403,242.36/28,760.82
  6. Step 6: Final answer
    x = 22,336.05

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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.