Home / 27,206.80-40,778.60-15,528.22

Finding the Fourth Proportional to 27,206.80, 40,778.60 and 15,528.22

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Solution

The fourth proportional to 27,206.80, 40,778.60 and 15,528.22 is: 23,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,206.80 : 40,778.60 = 15,528.22 : x
  2. Step 2: Convert to fraction form
    27,206.80/40,778.60 = 15,528.22/x
  3. Step 3: Cross multiply
    27,206.80x = 40,778.60 × 15,528.22
  4. Step 4: Simplify right side
    27,206.80x = 633,219,072.09
  5. Step 5: Solve for x
    x = 633,219,072.09/27,206.80
  6. Step 6: Final answer
    x = 23,274.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.