Home / 25,449.94-35,120.86-14,121.16

Finding the Fourth Proportional to 25,449.94, 35,120.86 and 14,121.16

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Solution

The fourth proportional to 25,449.94, 35,120.86 and 14,121.16 is: 19,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,449.94 : 35,120.86 = 14,121.16 : x
  2. Step 2: Convert to fraction form
    25,449.94/35,120.86 = 14,121.16/x
  3. Step 3: Cross multiply
    25,449.94x = 35,120.86 × 14,121.16
  4. Step 4: Simplify right side
    25,449.94x = 495,947,283.40
  5. Step 5: Solve for x
    x = 495,947,283.40/25,449.94
  6. Step 6: Final answer
    x = 19,487.17

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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.