Home / 28,732.33-43,006.15-15,371.99

Finding the Fourth Proportional to 28,732.33, 43,006.15 and 15,371.99

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Solution

The fourth proportional to 28,732.33, 43,006.15 and 15,371.99 is: 23,008.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.33 : 43,006.15 = 15,371.99 : x
  2. Step 2: Convert to fraction form
    28,732.33/43,006.15 = 15,371.99/x
  3. Step 3: Cross multiply
    28,732.33x = 43,006.15 × 15,371.99
  4. Step 4: Simplify right side
    28,732.33x = 661,089,815.85
  5. Step 5: Solve for x
    x = 661,089,815.85/28,732.33
  6. Step 6: Final answer
    x = 23,008.57

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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.