Home / 20,949.44-28,883.40-17,158.64

Finding the Fourth Proportional to 20,949.44, 28,883.40 and 17,158.64

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Solution

The fourth proportional to 20,949.44, 28,883.40 and 17,158.64 is: 23,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,949.44 : 28,883.40 = 17,158.64 : x
  2. Step 2: Convert to fraction form
    20,949.44/28,883.40 = 17,158.64/x
  3. Step 3: Cross multiply
    20,949.44x = 28,883.40 × 17,158.64
  4. Step 4: Simplify right side
    20,949.44x = 495,599,862.58
  5. Step 5: Solve for x
    x = 495,599,862.58/20,949.44
  6. Step 6: Final answer
    x = 23,656.95

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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.