Home / 26,367.78-36,391.60-15,037.28

Finding the Fourth Proportional to 26,367.78, 36,391.60 and 15,037.28

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Solution

The fourth proportional to 26,367.78, 36,391.60 and 15,037.28 is: 20,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,367.78 : 36,391.60 = 15,037.28 : x
  2. Step 2: Convert to fraction form
    26,367.78/36,391.60 = 15,037.28/x
  3. Step 3: Cross multiply
    26,367.78x = 36,391.60 × 15,037.28
  4. Step 4: Simplify right side
    26,367.78x = 547,230,678.85
  5. Step 5: Solve for x
    x = 547,230,678.85/26,367.78
  6. Step 6: Final answer
    x = 20,753.76

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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.