Home / 28,436.44-42,669.06-19,183

Finding the Fourth Proportional to 28,436.44, 42,669.06 and 19,183

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Solution

The fourth proportional to 28,436.44, 42,669.06 and 19,183 is: 28,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436.44 : 42,669.06 = 19,183 : x
  2. Step 2: Convert to fraction form
    28,436.44/42,669.06 = 19,183/x
  3. Step 3: Cross multiply
    28,436.44x = 42,669.06 × 19,183
  4. Step 4: Simplify right side
    28,436.44x = 818,520,577.98
  5. Step 5: Solve for x
    x = 818,520,577.98/28,436.44
  6. Step 6: Final answer
    x = 28,784.21

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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.