Home / 26,469.65-39,669.41-12,404.50

Finding the Fourth Proportional to 26,469.65, 39,669.41 and 12,404.50

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Solution

The fourth proportional to 26,469.65, 39,669.41 and 12,404.50 is: 18,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,469.65 : 39,669.41 = 12,404.50 : x
  2. Step 2: Convert to fraction form
    26,469.65/39,669.41 = 12,404.50/x
  3. Step 3: Cross multiply
    26,469.65x = 39,669.41 × 12,404.50
  4. Step 4: Simplify right side
    26,469.65x = 492,079,354.78
  5. Step 5: Solve for x
    x = 492,079,354.78/26,469.65
  6. Step 6: Final answer
    x = 18,590.32

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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.