Home / 25,986.28-38,983.50-11,199.40

Finding the Fourth Proportional to 25,986.28, 38,983.50 and 11,199.40

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Solution

The fourth proportional to 25,986.28, 38,983.50 and 11,199.40 is: 16,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986.28 : 38,983.50 = 11,199.40 : x
  2. Step 2: Convert to fraction form
    25,986.28/38,983.50 = 11,199.40/x
  3. Step 3: Cross multiply
    25,986.28x = 38,983.50 × 11,199.40
  4. Step 4: Simplify right side
    25,986.28x = 436,591,809.90
  5. Step 5: Solve for x
    x = 436,591,809.90/25,986.28
  6. Step 6: Final answer
    x = 16,800.86

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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.