Home / 25,774.74-38,676.97-13,928.53

Finding the Fourth Proportional to 25,774.74, 38,676.97 and 13,928.53

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Solution

The fourth proportional to 25,774.74, 38,676.97 and 13,928.53 is: 20,900.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,774.74 : 38,676.97 = 13,928.53 : x
  2. Step 2: Convert to fraction form
    25,774.74/38,676.97 = 13,928.53/x
  3. Step 3: Cross multiply
    25,774.74x = 38,676.97 × 13,928.53
  4. Step 4: Simplify right side
    25,774.74x = 538,713,336.95
  5. Step 5: Solve for x
    x = 538,713,336.95/25,774.74
  6. Step 6: Final answer
    x = 20,900.83

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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.