Home / 28,586.78-42,906.32-14,556.50

Finding the Fourth Proportional to 28,586.78, 42,906.32 and 14,556.50

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Solution

The fourth proportional to 28,586.78, 42,906.32 and 14,556.50 is: 21,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.78 : 42,906.32 = 14,556.50 : x
  2. Step 2: Convert to fraction form
    28,586.78/42,906.32 = 14,556.50/x
  3. Step 3: Cross multiply
    28,586.78x = 42,906.32 × 14,556.50
  4. Step 4: Simplify right side
    28,586.78x = 624,565,847.08
  5. Step 5: Solve for x
    x = 624,565,847.08/28,586.78
  6. Step 6: Final answer
    x = 21,848.07

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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.