Home / 27,547.80-41,321.70-18,216.60

Finding the Fourth Proportional to 27,547.80, 41,321.70 and 18,216.60

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Solution

The fourth proportional to 27,547.80, 41,321.70 and 18,216.60 is: 27,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,547.80 : 41,321.70 = 18,216.60 : x
  2. Step 2: Convert to fraction form
    27,547.80/41,321.70 = 18,216.60/x
  3. Step 3: Cross multiply
    27,547.80x = 41,321.70 × 18,216.60
  4. Step 4: Simplify right side
    27,547.80x = 752,740,880.22
  5. Step 5: Solve for x
    x = 752,740,880.22/27,547.80
  6. Step 6: Final answer
    x = 27,324.90

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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.