Home / 28,772.89-43,151.30-18,227.23

Finding the Fourth Proportional to 28,772.89, 43,151.30 and 18,227.23

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Solution

The fourth proportional to 28,772.89, 43,151.30 and 18,227.23 is: 27,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772.89 : 43,151.30 = 18,227.23 : x
  2. Step 2: Convert to fraction form
    28,772.89/43,151.30 = 18,227.23/x
  3. Step 3: Cross multiply
    28,772.89x = 43,151.30 × 18,227.23
  4. Step 4: Simplify right side
    28,772.89x = 786,528,578.76
  5. Step 5: Solve for x
    x = 786,528,578.76/28,772.89
  6. Step 6: Final answer
    x = 27,335.75

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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.