Home / 28,983.04-39,998.82-16,409.68

Finding the Fourth Proportional to 28,983.04, 39,998.82 and 16,409.68

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Solution

The fourth proportional to 28,983.04, 39,998.82 and 16,409.68 is: 22,646.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,983.04 : 39,998.82 = 16,409.68 : x
  2. Step 2: Convert to fraction form
    28,983.04/39,998.82 = 16,409.68/x
  3. Step 3: Cross multiply
    28,983.04x = 39,998.82 × 16,409.68
  4. Step 4: Simplify right side
    28,983.04x = 656,367,836.58
  5. Step 5: Solve for x
    x = 656,367,836.58/28,983.04
  6. Step 6: Final answer
    x = 22,646.62

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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.