Home / 28,483.78-39,301.62-16,540.96

Finding the Fourth Proportional to 28,483.78, 39,301.62 and 16,540.96

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Solution

The fourth proportional to 28,483.78, 39,301.62 and 16,540.96 is: 22,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,483.78 : 39,301.62 = 16,540.96 : x
  2. Step 2: Convert to fraction form
    28,483.78/39,301.62 = 16,540.96/x
  3. Step 3: Cross multiply
    28,483.78x = 39,301.62 × 16,540.96
  4. Step 4: Simplify right side
    28,483.78x = 650,086,524.36
  5. Step 5: Solve for x
    x = 650,086,524.36/28,483.78
  6. Step 6: Final answer
    x = 22,823.04

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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.