Home / 25,973.83-38,915.97-20,286.26

Finding the Fourth Proportional to 25,973.83, 38,915.97 and 20,286.26

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Solution

The fourth proportional to 25,973.83, 38,915.97 and 20,286.26 is: 30,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,973.83 : 38,915.97 = 20,286.26 : x
  2. Step 2: Convert to fraction form
    25,973.83/38,915.97 = 20,286.26/x
  3. Step 3: Cross multiply
    25,973.83x = 38,915.97 × 20,286.26
  4. Step 4: Simplify right side
    25,973.83x = 789,459,485.57
  5. Step 5: Solve for x
    x = 789,459,485.57/25,973.83
  6. Step 6: Final answer
    x = 30,394.42

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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.