Home / 18,695.82-28,038.87-5,544.66

Finding the Fourth Proportional to 18,695.82, 28,038.87 and 5,544.66

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Solution

The fourth proportional to 18,695.82, 28,038.87 and 5,544.66 is: 8,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.82 : 28,038.87 = 5,544.66 : x
  2. Step 2: Convert to fraction form
    18,695.82/28,038.87 = 5,544.66/x
  3. Step 3: Cross multiply
    18,695.82x = 28,038.87 × 5,544.66
  4. Step 4: Simplify right side
    18,695.82x = 155,466,000.93
  5. Step 5: Solve for x
    x = 155,466,000.93/18,695.82
  6. Step 6: Final answer
    x = 8,315.55

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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.