Home / 25,449.91-35,120.81-14,121.14

Finding the Fourth Proportional to 25,449.91, 35,120.81 and 14,121.14

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Solution

The fourth proportional to 25,449.91, 35,120.81 and 14,121.14 is: 19,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,449.91 : 35,120.81 = 14,121.14 : x
  2. Step 2: Convert to fraction form
    25,449.91/35,120.81 = 14,121.14/x
  3. Step 3: Cross multiply
    25,449.91x = 35,120.81 × 14,121.14
  4. Step 4: Simplify right side
    25,449.91x = 495,945,734.62
  5. Step 5: Solve for x
    x = 495,945,734.62/25,449.91
  6. Step 6: Final answer
    x = 19,487.13

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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.