Home / 28,933.97-39,929.63-16,186.73

Finding the Fourth Proportional to 28,933.97, 39,929.63 and 16,186.73

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Solution

The fourth proportional to 28,933.97, 39,929.63 and 16,186.73 is: 22,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.97 : 39,929.63 = 16,186.73 : x
  2. Step 2: Convert to fraction form
    28,933.97/39,929.63 = 16,186.73/x
  3. Step 3: Cross multiply
    28,933.97x = 39,929.63 × 16,186.73
  4. Step 4: Simplify right side
    28,933.97x = 646,329,859.23
  5. Step 5: Solve for x
    x = 646,329,859.23/28,933.97
  6. Step 6: Final answer
    x = 22,338.10

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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.