Home / 28,811.62-39,758.01-16,064.26

Finding the Fourth Proportional to 28,811.62, 39,758.01 and 16,064.26

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Solution

The fourth proportional to 28,811.62, 39,758.01 and 16,064.26 is: 22,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811.62 : 39,758.01 = 16,064.26 : x
  2. Step 2: Convert to fraction form
    28,811.62/39,758.01 = 16,064.26/x
  3. Step 3: Cross multiply
    28,811.62x = 39,758.01 × 16,064.26
  4. Step 4: Simplify right side
    28,811.62x = 638,682,929.40
  5. Step 5: Solve for x
    x = 638,682,929.40/28,811.62
  6. Step 6: Final answer
    x = 22,167.54

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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.