Home / 28,932.58-39,928.97-16,189.96

Finding the Fourth Proportional to 28,932.58, 39,928.97 and 16,189.96

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Solution

The fourth proportional to 28,932.58, 39,928.97 and 16,189.96 is: 22,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.58 : 39,928.97 = 16,189.96 : x
  2. Step 2: Convert to fraction form
    28,932.58/39,928.97 = 16,189.96/x
  3. Step 3: Cross multiply
    28,932.58x = 39,928.97 × 16,189.96
  4. Step 4: Simplify right side
    28,932.58x = 646,448,427.14
  5. Step 5: Solve for x
    x = 646,448,427.14/28,932.58
  6. Step 6: Final answer
    x = 22,343.27

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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.