Home / 25,630.26-35,369.79-15,019.90

Finding the Fourth Proportional to 25,630.26, 35,369.79 and 15,019.90

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Solution

The fourth proportional to 25,630.26, 35,369.79 and 15,019.90 is: 20,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,630.26 : 35,369.79 = 15,019.90 : x
  2. Step 2: Convert to fraction form
    25,630.26/35,369.79 = 15,019.90/x
  3. Step 3: Cross multiply
    25,630.26x = 35,369.79 × 15,019.90
  4. Step 4: Simplify right side
    25,630.26x = 531,250,708.82
  5. Step 5: Solve for x
    x = 531,250,708.82/25,630.26
  6. Step 6: Final answer
    x = 20,727.48

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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.