Home / 25,451.07-35,122.69-14,121.31

Finding the Fourth Proportional to 25,451.07, 35,122.69 and 14,121.31

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Solution

The fourth proportional to 25,451.07, 35,122.69 and 14,121.31 is: 19,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.07 : 35,122.69 = 14,121.31 : x
  2. Step 2: Convert to fraction form
    25,451.07/35,122.69 = 14,121.31/x
  3. Step 3: Cross multiply
    25,451.07x = 35,122.69 × 14,121.31
  4. Step 4: Simplify right side
    25,451.07x = 495,978,393.52
  5. Step 5: Solve for x
    x = 495,978,393.52/25,451.07
  6. Step 6: Final answer
    x = 19,487.53

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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.