Home / 28,194.90-38,906.25-16,862.10

Finding the Fourth Proportional to 28,194.90, 38,906.25 and 16,862.10

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Solution

The fourth proportional to 28,194.90, 38,906.25 and 16,862.10 is: 23,268.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.90 : 38,906.25 = 16,862.10 : x
  2. Step 2: Convert to fraction form
    28,194.90/38,906.25 = 16,862.10/x
  3. Step 3: Cross multiply
    28,194.90x = 38,906.25 × 16,862.10
  4. Step 4: Simplify right side
    28,194.90x = 656,041,078.13
  5. Step 5: Solve for x
    x = 656,041,078.13/28,194.90
  6. Step 6: Final answer
    x = 23,268.08

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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.