Home / 20,292.84-30,433.74-13,759.20

Finding the Fourth Proportional to 20,292.84, 30,433.74 and 13,759.20

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Solution

The fourth proportional to 20,292.84, 30,433.74 and 13,759.20 is: 20,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292.84 : 30,433.74 = 13,759.20 : x
  2. Step 2: Convert to fraction form
    20,292.84/30,433.74 = 13,759.20/x
  3. Step 3: Cross multiply
    20,292.84x = 30,433.74 × 13,759.20
  4. Step 4: Simplify right side
    20,292.84x = 418,743,915.41
  5. Step 5: Solve for x
    x = 418,743,915.41/20,292.84
  6. Step 6: Final answer
    x = 20,635.06

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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.