Home / 25,371.36-34,990.96-15,297.60

Finding the Fourth Proportional to 25,371.36, 34,990.96 and 15,297.60

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Solution

The fourth proportional to 25,371.36, 34,990.96 and 15,297.60 is: 21,097.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,371.36 : 34,990.96 = 15,297.60 : x
  2. Step 2: Convert to fraction form
    25,371.36/34,990.96 = 15,297.60/x
  3. Step 3: Cross multiply
    25,371.36x = 34,990.96 × 15,297.60
  4. Step 4: Simplify right side
    25,371.36x = 535,277,709.70
  5. Step 5: Solve for x
    x = 535,277,709.70/25,371.36
  6. Step 6: Final answer
    x = 21,097.71

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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.