Home / 26,438.98-39,653.97-8,669.29

Finding the Fourth Proportional to 26,438.98, 39,653.97 and 8,669.29

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Solution

The fourth proportional to 26,438.98, 39,653.97 and 8,669.29 is: 13,002.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.98 : 39,653.97 = 8,669.29 : x
  2. Step 2: Convert to fraction form
    26,438.98/39,653.97 = 8,669.29/x
  3. Step 3: Cross multiply
    26,438.98x = 39,653.97 × 8,669.29
  4. Step 4: Simplify right side
    26,438.98x = 343,771,765.58
  5. Step 5: Solve for x
    x = 343,771,765.58/26,438.98
  6. Step 6: Final answer
    x = 13,002.46

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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.