Home / 25,190.27-34,763.42-13,861.07

Finding the Fourth Proportional to 25,190.27, 34,763.42 and 13,861.07

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Solution

The fourth proportional to 25,190.27, 34,763.42 and 13,861.07 is: 19,128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190.27 : 34,763.42 = 13,861.07 : x
  2. Step 2: Convert to fraction form
    25,190.27/34,763.42 = 13,861.07/x
  3. Step 3: Cross multiply
    25,190.27x = 34,763.42 × 13,861.07
  4. Step 4: Simplify right side
    25,190.27x = 481,858,198.06
  5. Step 5: Solve for x
    x = 481,858,198.06/25,190.27
  6. Step 6: Final answer
    x = 19,128.74

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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.