Home / 23,919.78-35,876.88-6,390.99

Finding the Fourth Proportional to 23,919.78, 35,876.88 and 6,390.99

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Solution

The fourth proportional to 23,919.78, 35,876.88 and 6,390.99 is: 9,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,919.78 : 35,876.88 = 6,390.99 : x
  2. Step 2: Convert to fraction form
    23,919.78/35,876.88 = 6,390.99/x
  3. Step 3: Cross multiply
    23,919.78x = 35,876.88 × 6,390.99
  4. Step 4: Simplify right side
    23,919.78x = 229,288,781.31
  5. Step 5: Solve for x
    x = 229,288,781.31/23,919.78
  6. Step 6: Final answer
    x = 9,585.74

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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.