Home / 28,483.11-39,290.27-17,144.73

Finding the Fourth Proportional to 28,483.11, 39,290.27 and 17,144.73

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Solution

The fourth proportional to 28,483.11, 39,290.27 and 17,144.73 is: 23,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,483.11 : 39,290.27 = 17,144.73 : x
  2. Step 2: Convert to fraction form
    28,483.11/39,290.27 = 17,144.73/x
  3. Step 3: Cross multiply
    28,483.11x = 39,290.27 × 17,144.73
  4. Step 4: Simplify right side
    28,483.11x = 673,620,985.05
  5. Step 5: Solve for x
    x = 673,620,985.05/28,483.11
  6. Step 6: Final answer
    x = 23,649.84

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Double 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.