Home / 28,765.56-43,135.38-16,924.98

Finding the Fourth Proportional to 28,765.56, 43,135.38 and 16,924.98

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Solution

The fourth proportional to 28,765.56, 43,135.38 and 16,924.98 is: 25,379.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765.56 : 43,135.38 = 16,924.98 : x
  2. Step 2: Convert to fraction form
    28,765.56/43,135.38 = 16,924.98/x
  3. Step 3: Cross multiply
    28,765.56x = 43,135.38 × 16,924.98
  4. Step 4: Simplify right side
    28,765.56x = 730,065,443.79
  5. Step 5: Solve for x
    x = 730,065,443.79/28,765.56
  6. Step 6: Final answer
    x = 25,379.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.