Home / 28,757.76-43,136.63-13,175.38

Finding the Fourth Proportional to 28,757.76, 43,136.63 and 13,175.38

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Solution

The fourth proportional to 28,757.76, 43,136.63 and 13,175.38 is: 19,763.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757.76 : 43,136.63 = 13,175.38 : x
  2. Step 2: Convert to fraction form
    28,757.76/43,136.63 = 13,175.38/x
  3. Step 3: Cross multiply
    28,757.76x = 43,136.63 × 13,175.38
  4. Step 4: Simplify right side
    28,757.76x = 568,341,492.17
  5. Step 5: Solve for x
    x = 568,341,492.17/28,757.76
  6. Step 6: Final answer
    x = 19,763.07

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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.