Home / 25,408.28-35,130.32-22,255.44

Finding the Fourth Proportional to 25,408.28, 35,130.32 and 22,255.44

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Solution

The fourth proportional to 25,408.28, 35,130.32 and 22,255.44 is: 30,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,408.28 : 35,130.32 = 22,255.44 : x
  2. Step 2: Convert to fraction form
    25,408.28/35,130.32 = 22,255.44/x
  3. Step 3: Cross multiply
    25,408.28x = 35,130.32 × 22,255.44
  4. Step 4: Simplify right side
    25,408.28x = 781,840,728.94
  5. Step 5: Solve for x
    x = 781,840,728.94/25,408.28
  6. Step 6: Final answer
    x = 30,771.10

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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.