Home / 28,450.99-39,262.15-16,515.44

Finding the Fourth Proportional to 28,450.99, 39,262.15 and 16,515.44

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Solution

The fourth proportional to 28,450.99, 39,262.15 and 16,515.44 is: 22,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.99 : 39,262.15 = 16,515.44 : x
  2. Step 2: Convert to fraction form
    28,450.99/39,262.15 = 16,515.44/x
  3. Step 3: Cross multiply
    28,450.99x = 39,262.15 × 16,515.44
  4. Step 4: Simplify right side
    28,450.99x = 648,431,682.60
  5. Step 5: Solve for x
    x = 648,431,682.60/28,450.99
  6. Step 6: Final answer
    x = 22,791.18

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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.