Home / 26,772.57-36,945.52-15,442.09

Finding the Fourth Proportional to 26,772.57, 36,945.52 and 15,442.09

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Solution

The fourth proportional to 26,772.57, 36,945.52 and 15,442.09 is: 21,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,772.57 : 36,945.52 = 15,442.09 : x
  2. Step 2: Convert to fraction form
    26,772.57/36,945.52 = 15,442.09/x
  3. Step 3: Cross multiply
    26,772.57x = 36,945.52 × 15,442.09
  4. Step 4: Simplify right side
    26,772.57x = 570,515,913.97
  5. Step 5: Solve for x
    x = 570,515,913.97/26,772.57
  6. Step 6: Final answer
    x = 21,309.72

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1.5x scale

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.