Home / 28,039.91-41,973.99-18,159.53

Finding the Fourth Proportional to 28,039.91, 41,973.99 and 18,159.53

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Solution

The fourth proportional to 28,039.91, 41,973.99 and 18,159.53 is: 27,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039.91 : 41,973.99 = 18,159.53 : x
  2. Step 2: Convert to fraction form
    28,039.91/41,973.99 = 18,159.53/x
  3. Step 3: Cross multiply
    28,039.91x = 41,973.99 × 18,159.53
  4. Step 4: Simplify right side
    28,039.91x = 762,227,930.62
  5. Step 5: Solve for x
    x = 762,227,930.62/28,039.91
  6. Step 6: Final answer
    x = 27,183.68

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1.5x scale

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.