Home / 28,910.60-39,901.20-17,583.68

Finding the Fourth Proportional to 28,910.60, 39,901.20 and 17,583.68

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Solution

The fourth proportional to 28,910.60, 39,901.20 and 17,583.68 is: 24,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.60 : 39,901.20 = 17,583.68 : x
  2. Step 2: Convert to fraction form
    28,910.60/39,901.20 = 17,583.68/x
  3. Step 3: Cross multiply
    28,910.60x = 39,901.20 × 17,583.68
  4. Step 4: Simplify right side
    28,910.60x = 701,609,932.42
  5. Step 5: Solve for x
    x = 701,609,932.42/28,910.60
  6. Step 6: Final answer
    x = 24,268.26

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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.