Home / 18,478.80-27,746.28-16,137.36

Finding the Fourth Proportional to 18,478.80, 27,746.28 and 16,137.36

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Solution

The fourth proportional to 18,478.80, 27,746.28 and 16,137.36 is: 24,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,478.80 : 27,746.28 = 16,137.36 : x
  2. Step 2: Convert to fraction form
    18,478.80/27,746.28 = 16,137.36/x
  3. Step 3: Cross multiply
    18,478.80x = 27,746.28 × 16,137.36
  4. Step 4: Simplify right side
    18,478.80x = 447,751,709.02
  5. Step 5: Solve for x
    x = 447,751,709.02/18,478.80
  6. Step 6: Final answer
    x = 24,230.56

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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.