Home / 26,029.12-35,923.44-15,422.80

Finding the Fourth Proportional to 26,029.12, 35,923.44 and 15,422.80

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Solution

The fourth proportional to 26,029.12, 35,923.44 and 15,422.80 is: 21,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,029.12 : 35,923.44 = 15,422.80 : x
  2. Step 2: Convert to fraction form
    26,029.12/35,923.44 = 15,422.80/x
  3. Step 3: Cross multiply
    26,029.12x = 35,923.44 × 15,422.80
  4. Step 4: Simplify right side
    26,029.12x = 554,040,030.43
  5. Step 5: Solve for x
    x = 554,040,030.43/26,029.12
  6. Step 6: Final answer
    x = 21,285.39

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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.