Home / 25,825.22-35,639.97-20,226.50

Finding the Fourth Proportional to 25,825.22, 35,639.97 and 20,226.50

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Solution

The fourth proportional to 25,825.22, 35,639.97 and 20,226.50 is: 27,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,825.22 : 35,639.97 = 20,226.50 : x
  2. Step 2: Convert to fraction form
    25,825.22/35,639.97 = 20,226.50/x
  3. Step 3: Cross multiply
    25,825.22x = 35,639.97 × 20,226.50
  4. Step 4: Simplify right side
    25,825.22x = 720,871,853.21
  5. Step 5: Solve for x
    x = 720,871,853.21/25,825.22
  6. Step 6: Final answer
    x = 27,913.48

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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.