Home / 25,805.33-38,698.54-20,269.45

Finding the Fourth Proportional to 25,805.33, 38,698.54 and 20,269.45

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Solution

The fourth proportional to 25,805.33, 38,698.54 and 20,269.45 is: 30,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,805.33 : 38,698.54 = 20,269.45 : x
  2. Step 2: Convert to fraction form
    25,805.33/38,698.54 = 20,269.45/x
  3. Step 3: Cross multiply
    25,805.33x = 38,698.54 × 20,269.45
  4. Step 4: Simplify right side
    25,805.33x = 784,397,974.18
  5. Step 5: Solve for x
    x = 784,397,974.18/25,805.33
  6. Step 6: Final answer
    x = 30,396.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.