Home / 28,826.27-39,780.48-16,079.03

Finding the Fourth Proportional to 28,826.27, 39,780.48 and 16,079.03

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Solution

The fourth proportional to 28,826.27, 39,780.48 and 16,079.03 is: 22,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,826.27 : 39,780.48 = 16,079.03 : x
  2. Step 2: Convert to fraction form
    28,826.27/39,780.48 = 16,079.03/x
  3. Step 3: Cross multiply
    28,826.27x = 39,780.48 × 16,079.03
  4. Step 4: Simplify right side
    28,826.27x = 639,631,332.43
  5. Step 5: Solve for x
    x = 639,631,332.43/28,826.27
  6. Step 6: Final answer
    x = 22,189.19

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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.