Home / 28,916.44-39,910.62-16,986.04

Finding the Fourth Proportional to 28,916.44, 39,910.62 and 16,986.04

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Solution

The fourth proportional to 28,916.44, 39,910.62 and 16,986.04 is: 23,444.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916.44 : 39,910.62 = 16,986.04 : x
  2. Step 2: Convert to fraction form
    28,916.44/39,910.62 = 16,986.04/x
  3. Step 3: Cross multiply
    28,916.44x = 39,910.62 × 16,986.04
  4. Step 4: Simplify right side
    28,916.44x = 677,923,387.74
  5. Step 5: Solve for x
    x = 677,923,387.74/28,916.44
  6. Step 6: Final answer
    x = 23,444.22

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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.