Home / 28,336.56-42,467.94-17,658.54

Finding the Fourth Proportional to 28,336.56, 42,467.94 and 17,658.54

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Solution

The fourth proportional to 28,336.56, 42,467.94 and 17,658.54 is: 26,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336.56 : 42,467.94 = 17,658.54 : x
  2. Step 2: Convert to fraction form
    28,336.56/42,467.94 = 17,658.54/x
  3. Step 3: Cross multiply
    28,336.56x = 42,467.94 × 17,658.54
  4. Step 4: Simplify right side
    28,336.56x = 749,921,817.21
  5. Step 5: Solve for x
    x = 749,921,817.21/28,336.56
  6. Step 6: Final answer
    x = 26,464.81

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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.