Home / 18,043.20-27,064.80-4,895.55

Finding the Fourth Proportional to 18,043.20, 27,064.80 and 4,895.55

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Solution

The fourth proportional to 18,043.20, 27,064.80 and 4,895.55 is: 7,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.20 : 27,064.80 = 4,895.55 : x
  2. Step 2: Convert to fraction form
    18,043.20/27,064.80 = 4,895.55/x
  3. Step 3: Cross multiply
    18,043.20x = 27,064.80 × 4,895.55
  4. Step 4: Simplify right side
    18,043.20x = 132,497,081.64
  5. Step 5: Solve for x
    x = 132,497,081.64/18,043.20
  6. Step 6: Final answer
    x = 7,343.33

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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.