Home / 27,761.55-41,621.81-14,415.39

Finding the Fourth Proportional to 27,761.55, 41,621.81 and 14,415.39

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Solution

The fourth proportional to 27,761.55, 41,621.81 and 14,415.39 is: 21,612.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,761.55 : 41,621.81 = 14,415.39 : x
  2. Step 2: Convert to fraction form
    27,761.55/41,621.81 = 14,415.39/x
  3. Step 3: Cross multiply
    27,761.55x = 41,621.81 × 14,415.39
  4. Step 4: Simplify right side
    27,761.55x = 599,994,551.58
  5. Step 5: Solve for x
    x = 599,994,551.58/27,761.55
  6. Step 6: Final answer
    x = 21,612.43

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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.