Home / 26,391.51-36,420.59-15,062.54

Finding the Fourth Proportional to 26,391.51, 36,420.59 and 15,062.54

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Solution

The fourth proportional to 26,391.51, 36,420.59 and 15,062.54 is: 20,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.51 : 36,420.59 = 15,062.54 : x
  2. Step 2: Convert to fraction form
    26,391.51/36,420.59 = 15,062.54/x
  3. Step 3: Cross multiply
    26,391.51x = 36,420.59 × 15,062.54
  4. Step 4: Simplify right side
    26,391.51x = 548,586,336.28
  5. Step 5: Solve for x
    x = 548,586,336.28/26,391.51
  6. Step 6: Final answer
    x = 20,786.47

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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.