Home / 28,884.25-39,860.99-16,309.09

Finding the Fourth Proportional to 28,884.25, 39,860.99 and 16,309.09

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Solution

The fourth proportional to 28,884.25, 39,860.99 and 16,309.09 is: 22,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.25 : 39,860.99 = 16,309.09 : x
  2. Step 2: Convert to fraction form
    28,884.25/39,860.99 = 16,309.09/x
  3. Step 3: Cross multiply
    28,884.25x = 39,860.99 × 16,309.09
  4. Step 4: Simplify right side
    28,884.25x = 650,096,473.40
  5. Step 5: Solve for x
    x = 650,096,473.40/28,884.25
  6. Step 6: Final answer
    x = 22,506.95

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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.