Home / 55,181.76-82,777.50-15,738

Finding the Fourth Proportional to 55,181.76, 82,777.50 and 15,738

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Solution

The fourth proportional to 55,181.76, 82,777.50 and 15,738 is: 23,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,181.76 : 82,777.50 = 15,738 : x
  2. Step 2: Convert to fraction form
    55,181.76/82,777.50 = 15,738/x
  3. Step 3: Cross multiply
    55,181.76x = 82,777.50 × 15,738
  4. Step 4: Simplify right side
    55,181.76x = 1,302,752,295
  5. Step 5: Solve for x
    x = 1,302,752,295/55,181.76
  6. Step 6: Final answer
    x = 23,608.39

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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.