Home / 28,788.36-39,727.83-16,853.95

Finding the Fourth Proportional to 28,788.36, 39,727.83 and 16,853.95

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Solution

The fourth proportional to 28,788.36, 39,727.83 and 16,853.95 is: 23,258.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788.36 : 39,727.83 = 16,853.95 : x
  2. Step 2: Convert to fraction form
    28,788.36/39,727.83 = 16,853.95/x
  3. Step 3: Cross multiply
    28,788.36x = 39,727.83 × 16,853.95
  4. Step 4: Simplify right side
    28,788.36x = 669,570,860.43
  5. Step 5: Solve for x
    x = 669,570,860.43/28,788.36
  6. Step 6: Final answer
    x = 23,258.39

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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.