Home / 23,728.90-35,595.78-8,144.50

Finding the Fourth Proportional to 23,728.90, 35,595.78 and 8,144.50

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Solution

The fourth proportional to 23,728.90, 35,595.78 and 8,144.50 is: 12,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,728.90 : 35,595.78 = 8,144.50 : x
  2. Step 2: Convert to fraction form
    23,728.90/35,595.78 = 8,144.50/x
  3. Step 3: Cross multiply
    23,728.90x = 35,595.78 × 8,144.50
  4. Step 4: Simplify right side
    23,728.90x = 289,909,830.21
  5. Step 5: Solve for x
    x = 289,909,830.21/23,728.90
  6. Step 6: Final answer
    x = 12,217.58

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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.