Home / 28,395.04-39,173.60-17,197.60

Finding the Fourth Proportional to 28,395.04, 39,173.60 and 17,197.60

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Solution

The fourth proportional to 28,395.04, 39,173.60 and 17,197.60 is: 23,725.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.04 : 39,173.60 = 17,197.60 : x
  2. Step 2: Convert to fraction form
    28,395.04/39,173.60 = 17,197.60/x
  3. Step 3: Cross multiply
    28,395.04x = 39,173.60 × 17,197.60
  4. Step 4: Simplify right side
    28,395.04x = 673,691,903.36
  5. Step 5: Solve for x
    x = 673,691,903.36/28,395.04
  6. Step 6: Final answer
    x = 23,725.69

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Half scale
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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.