Home / 28,446.44-39,256.11-15,871.19

Finding the Fourth Proportional to 28,446.44, 39,256.11 and 15,871.19

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Solution

The fourth proportional to 28,446.44, 39,256.11 and 15,871.19 is: 21,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446.44 : 39,256.11 = 15,871.19 : x
  2. Step 2: Convert to fraction form
    28,446.44/39,256.11 = 15,871.19/x
  3. Step 3: Cross multiply
    28,446.44x = 39,256.11 × 15,871.19
  4. Step 4: Simplify right side
    28,446.44x = 623,040,984.19
  5. Step 5: Solve for x
    x = 623,040,984.19/28,446.44
  6. Step 6: Final answer
    x = 21,902.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.