Home / 15,774.83-23,661.71-3,928.58

Finding the Fourth Proportional to 15,774.83, 23,661.71 and 3,928.58

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Solution

The fourth proportional to 15,774.83, 23,661.71 and 3,928.58 is: 5,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.83 : 23,661.71 = 3,928.58 : x
  2. Step 2: Convert to fraction form
    15,774.83/23,661.71 = 3,928.58/x
  3. Step 3: Cross multiply
    15,774.83x = 23,661.71 × 3,928.58
  4. Step 4: Simplify right side
    15,774.83x = 92,956,782.72
  5. Step 5: Solve for x
    x = 92,956,782.72/15,774.83
  6. Step 6: Final answer
    x = 5,892.73

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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.