Home / 26,458.49-36,513.41-15,129.83

Finding the Fourth Proportional to 26,458.49, 36,513.41 and 15,129.83

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Solution

The fourth proportional to 26,458.49, 36,513.41 and 15,129.83 is: 20,879.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,458.49 : 36,513.41 = 15,129.83 : x
  2. Step 2: Convert to fraction form
    26,458.49/36,513.41 = 15,129.83/x
  3. Step 3: Cross multiply
    26,458.49x = 36,513.41 × 15,129.83
  4. Step 4: Simplify right side
    26,458.49x = 552,441,610.37
  5. Step 5: Solve for x
    x = 552,441,610.37/26,458.49
  6. Step 6: Final answer
    x = 20,879.56

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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.