Home / 27,662.10-38,173.53-15,725.44

Finding the Fourth Proportional to 27,662.10, 38,173.53 and 15,725.44

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Solution

The fourth proportional to 27,662.10, 38,173.53 and 15,725.44 is: 21,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,662.10 : 38,173.53 = 15,725.44 : x
  2. Step 2: Convert to fraction form
    27,662.10/38,173.53 = 15,725.44/x
  3. Step 3: Cross multiply
    27,662.10x = 38,173.53 × 15,725.44
  4. Step 4: Simplify right side
    27,662.10x = 600,295,555.60
  5. Step 5: Solve for x
    x = 600,295,555.60/27,662.10
  6. Step 6: Final answer
    x = 21,701.01

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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.