Home / 28,206.00-38,928.16-16,269.07

Finding the Fourth Proportional to 28,206.00, 38,928.16 and 16,269.07

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Solution

The fourth proportional to 28,206.00, 38,928.16 and 16,269.07 is: 22,453.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206.00 : 38,928.16 = 16,269.07 : x
  2. Step 2: Convert to fraction form
    28,206.00/38,928.16 = 16,269.07/x
  3. Step 3: Cross multiply
    28,206.00x = 38,928.16 × 16,269.07
  4. Step 4: Simplify right side
    28,206.00x = 633,325,029.01
  5. Step 5: Solve for x
    x = 633,325,029.01/28,206.00
  6. Step 6: Final answer
    x = 22,453.56

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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.