Home / 28,761.56-39,690.84-16,186.52

Finding the Fourth Proportional to 28,761.56, 39,690.84 and 16,186.52

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Solution

The fourth proportional to 28,761.56, 39,690.84 and 16,186.52 is: 22,337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.56 : 39,690.84 = 16,186.52 : x
  2. Step 2: Convert to fraction form
    28,761.56/39,690.84 = 16,186.52/x
  3. Step 3: Cross multiply
    28,761.56x = 39,690.84 × 16,186.52
  4. Step 4: Simplify right side
    28,761.56x = 642,456,575.48
  5. Step 5: Solve for x
    x = 642,456,575.48/28,761.56
  6. Step 6: Final answer
    x = 22,337.33

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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.