Home / 26,475.54-36,529.38-15,857.64

Finding the Fourth Proportional to 26,475.54, 36,529.38 and 15,857.64

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Solution

The fourth proportional to 26,475.54, 36,529.38 and 15,857.64 is: 21,879.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,475.54 : 36,529.38 = 15,857.64 : x
  2. Step 2: Convert to fraction form
    26,475.54/36,529.38 = 15,857.64/x
  3. Step 3: Cross multiply
    26,475.54x = 36,529.38 × 15,857.64
  4. Step 4: Simplify right side
    26,475.54x = 579,269,757.46
  5. Step 5: Solve for x
    x = 579,269,757.46/26,475.54
  6. Step 6: Final answer
    x = 21,879.43

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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.