Home / 26,009.24-35,879.96-15,393.78

Finding the Fourth Proportional to 26,009.24, 35,879.96 and 15,393.78

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Solution

The fourth proportional to 26,009.24, 35,879.96 and 15,393.78 is: 21,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,009.24 : 35,879.96 = 15,393.78 : x
  2. Step 2: Convert to fraction form
    26,009.24/35,879.96 = 15,393.78/x
  3. Step 3: Cross multiply
    26,009.24x = 35,879.96 × 15,393.78
  4. Step 4: Simplify right side
    26,009.24x = 552,328,249.13
  5. Step 5: Solve for x
    x = 552,328,249.13/26,009.24
  6. Step 6: Final answer
    x = 21,235.85

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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.