Home / 28,383.42-42,580.29-11,734.41

Finding the Fourth Proportional to 28,383.42, 42,580.29 and 11,734.41

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Solution

The fourth proportional to 28,383.42, 42,580.29 and 11,734.41 is: 17,603.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.42 : 42,580.29 = 11,734.41 : x
  2. Step 2: Convert to fraction form
    28,383.42/42,580.29 = 11,734.41/x
  3. Step 3: Cross multiply
    28,383.42x = 42,580.29 × 11,734.41
  4. Step 4: Simplify right side
    28,383.42x = 499,654,580.78
  5. Step 5: Solve for x
    x = 499,654,580.78/28,383.42
  6. Step 6: Final answer
    x = 17,603.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.