Home / 25,517.19-35,213.70-14,906.90

Finding the Fourth Proportional to 25,517.19, 35,213.70 and 14,906.90

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Solution

The fourth proportional to 25,517.19, 35,213.70 and 14,906.90 is: 20,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,517.19 : 35,213.70 = 14,906.90 : x
  2. Step 2: Convert to fraction form
    25,517.19/35,213.70 = 14,906.90/x
  3. Step 3: Cross multiply
    25,517.19x = 35,213.70 × 14,906.90
  4. Step 4: Simplify right side
    25,517.19x = 524,927,104.53
  5. Step 5: Solve for x
    x = 524,927,104.53/25,517.19
  6. Step 6: Final answer
    x = 20,571.51

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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.