Home / 28,621.74-42,944.97-15,483.36

Finding the Fourth Proportional to 28,621.74, 42,944.97 and 15,483.36

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Solution

The fourth proportional to 28,621.74, 42,944.97 and 15,483.36 is: 23,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,621.74 : 42,944.97 = 15,483.36 : x
  2. Step 2: Convert to fraction form
    28,621.74/42,944.97 = 15,483.36/x
  3. Step 3: Cross multiply
    28,621.74x = 42,944.97 × 15,483.36
  4. Step 4: Simplify right side
    28,621.74x = 664,932,430.70
  5. Step 5: Solve for x
    x = 664,932,430.70/28,621.74
  6. Step 6: Final answer
    x = 23,231.73

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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.