Home / 25,408.06-35,080.62-19,429.31

Finding the Fourth Proportional to 25,408.06, 35,080.62 and 19,429.31

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Solution

The fourth proportional to 25,408.06, 35,080.62 and 19,429.31 is: 26,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,408.06 : 35,080.62 = 19,429.31 : x
  2. Step 2: Convert to fraction form
    25,408.06/35,080.62 = 19,429.31/x
  3. Step 3: Cross multiply
    25,408.06x = 35,080.62 × 19,429.31
  4. Step 4: Simplify right side
    25,408.06x = 681,592,240.97
  5. Step 5: Solve for x
    x = 681,592,240.97/25,408.06
  6. Step 6: Final answer
    x = 26,825.83

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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.