Home / 28,801.72-39,745.68-16,704.36

Finding the Fourth Proportional to 28,801.72, 39,745.68 and 16,704.36

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Solution

The fourth proportional to 28,801.72, 39,745.68 and 16,704.36 is: 23,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.72 : 39,745.68 = 16,704.36 : x
  2. Step 2: Convert to fraction form
    28,801.72/39,745.68 = 16,704.36/x
  3. Step 3: Cross multiply
    28,801.72x = 39,745.68 × 16,704.36
  4. Step 4: Simplify right side
    28,801.72x = 663,926,147.16
  5. Step 5: Solve for x
    x = 663,926,147.16/28,801.72
  6. Step 6: Final answer
    x = 23,051.61

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1.5x scale

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.