Home / 26,391.10-36,420.31-15,060.37

Finding the Fourth Proportional to 26,391.10, 36,420.31 and 15,060.37

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Solution

The fourth proportional to 26,391.10, 36,420.31 and 15,060.37 is: 20,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.10 : 36,420.31 = 15,060.37 : x
  2. Step 2: Convert to fraction form
    26,391.10/36,420.31 = 15,060.37/x
  3. Step 3: Cross multiply
    26,391.10x = 36,420.31 × 15,060.37
  4. Step 4: Simplify right side
    26,391.10x = 548,503,177.76
  5. Step 5: Solve for x
    x = 548,503,177.76/26,391.10
  6. Step 6: Final answer
    x = 20,783.64

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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.