Home / 28,946.56-39,945.60-16,371.52

Finding the Fourth Proportional to 28,946.56, 39,945.60 and 16,371.52

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Solution

The fourth proportional to 28,946.56, 39,945.60 and 16,371.52 is: 22,592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.56 : 39,945.60 = 16,371.52 : x
  2. Step 2: Convert to fraction form
    28,946.56/39,945.60 = 16,371.52/x
  3. Step 3: Cross multiply
    28,946.56x = 39,945.60 × 16,371.52
  4. Step 4: Simplify right side
    28,946.56x = 653,970,189.31
  5. Step 5: Solve for x
    x = 653,970,189.31/28,946.56
  6. Step 6: Final answer
    x = 22,592.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.