Home / 28,983.27-39,996.86-16,409.19

Finding the Fourth Proportional to 28,983.27, 39,996.86 and 16,409.19

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Solution

The fourth proportional to 28,983.27, 39,996.86 and 16,409.19 is: 22,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,983.27 : 39,996.86 = 16,409.19 : x
  2. Step 2: Convert to fraction form
    28,983.27/39,996.86 = 16,409.19/x
  3. Step 3: Cross multiply
    28,983.27x = 39,996.86 × 16,409.19
  4. Step 4: Simplify right side
    28,983.27x = 656,315,993.10
  5. Step 5: Solve for x
    x = 656,315,993.10/28,983.27
  6. Step 6: Final answer
    x = 22,644.65

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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.