Home / 18,408.25-27,612.78-4,557.25

Finding the Fourth Proportional to 18,408.25, 27,612.78 and 4,557.25

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Solution

The fourth proportional to 18,408.25, 27,612.78 and 4,557.25 is: 6,835.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.25 : 27,612.78 = 4,557.25 : x
  2. Step 2: Convert to fraction form
    18,408.25/27,612.78 = 4,557.25/x
  3. Step 3: Cross multiply
    18,408.25x = 27,612.78 × 4,557.25
  4. Step 4: Simplify right side
    18,408.25x = 125,838,341.66
  5. Step 5: Solve for x
    x = 125,838,341.66/18,408.25
  6. Step 6: Final answer
    x = 6,835.98

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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.