Home / 28,447.39-39,265.73-16,516.09

Finding the Fourth Proportional to 28,447.39, 39,265.73 and 16,516.09

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Solution

The fourth proportional to 28,447.39, 39,265.73 and 16,516.09 is: 22,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447.39 : 39,265.73 = 16,516.09 : x
  2. Step 2: Convert to fraction form
    28,447.39/39,265.73 = 16,516.09/x
  3. Step 3: Cross multiply
    28,447.39x = 39,265.73 × 16,516.09
  4. Step 4: Simplify right side
    28,447.39x = 648,516,330.60
  5. Step 5: Solve for x
    x = 648,516,330.60/28,447.39
  6. Step 6: Final answer
    x = 22,797.04

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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.