Home / 28,362.44-42,555.81-11,734.56

Finding the Fourth Proportional to 28,362.44, 42,555.81 and 11,734.56

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Solution

The fourth proportional to 28,362.44, 42,555.81 and 11,734.56 is: 17,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362.44 : 42,555.81 = 11,734.56 : x
  2. Step 2: Convert to fraction form
    28,362.44/42,555.81 = 11,734.56/x
  3. Step 3: Cross multiply
    28,362.44x = 42,555.81 × 11,734.56
  4. Step 4: Simplify right side
    28,362.44x = 499,373,705.79
  5. Step 5: Solve for x
    x = 499,373,705.79/28,362.44
  6. Step 6: Final answer
    x = 17,606.87

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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.