Home / 26,172-39,205.44-12,984.48

Finding the Fourth Proportional to 26,172, 39,205.44 and 12,984.48

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Solution

The fourth proportional to 26,172, 39,205.44 and 12,984.48 is: 19,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172 : 39,205.44 = 12,984.48 : x
  2. Step 2: Convert to fraction form
    26,172/39,205.44 = 12,984.48/x
  3. Step 3: Cross multiply
    26,172x = 39,205.44 × 12,984.48
  4. Step 4: Simplify right side
    26,172x = 509,062,251.57
  5. Step 5: Solve for x
    x = 509,062,251.57/26,172
  6. Step 6: Final answer
    x = 19,450.64

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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.