Home / 28,333.81-39,101.97-16,394.84

Finding the Fourth Proportional to 28,333.81, 39,101.97 and 16,394.84

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Solution

The fourth proportional to 28,333.81, 39,101.97 and 16,394.84 is: 22,625.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333.81 : 39,101.97 = 16,394.84 : x
  2. Step 2: Convert to fraction form
    28,333.81/39,101.97 = 16,394.84/x
  3. Step 3: Cross multiply
    28,333.81x = 39,101.97 × 16,394.84
  4. Step 4: Simplify right side
    28,333.81x = 641,070,554.44
  5. Step 5: Solve for x
    x = 641,070,554.44/28,333.81
  6. Step 6: Final answer
    x = 22,625.64

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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.