Home / 25,170.99-34,736.09-13,841.21

Finding the Fourth Proportional to 25,170.99, 34,736.09 and 13,841.21

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Solution

The fourth proportional to 25,170.99, 34,736.09 and 13,841.21 is: 19,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.99 : 34,736.09 = 13,841.21 : x
  2. Step 2: Convert to fraction form
    25,170.99/34,736.09 = 13,841.21/x
  3. Step 3: Cross multiply
    25,170.99x = 34,736.09 × 13,841.21
  4. Step 4: Simplify right side
    25,170.99x = 480,789,516.27
  5. Step 5: Solve for x
    x = 480,789,516.27/25,170.99
  6. Step 6: Final answer
    x = 19,100.94

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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.