Home / 28,621.68-39,498.94-16,683.09

Finding the Fourth Proportional to 28,621.68, 39,498.94 and 16,683.09

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Solution

The fourth proportional to 28,621.68, 39,498.94 and 16,683.09 is: 23,023.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,621.68 : 39,498.94 = 16,683.09 : x
  2. Step 2: Convert to fraction form
    28,621.68/39,498.94 = 16,683.09/x
  3. Step 3: Cross multiply
    28,621.68x = 39,498.94 × 16,683.09
  4. Step 4: Simplify right side
    28,621.68x = 658,964,173.43
  5. Step 5: Solve for x
    x = 658,964,173.43/28,621.68
  6. Step 6: Final answer
    x = 23,023.26

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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.