Home / 28,078.73-42,104.01-9,352.19

Finding the Fourth Proportional to 28,078.73, 42,104.01 and 9,352.19

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Solution

The fourth proportional to 28,078.73, 42,104.01 and 9,352.19 is: 14,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,078.73 : 42,104.01 = 9,352.19 : x
  2. Step 2: Convert to fraction form
    28,078.73/42,104.01 = 9,352.19/x
  3. Step 3: Cross multiply
    28,078.73x = 42,104.01 × 9,352.19
  4. Step 4: Simplify right side
    28,078.73x = 393,764,490.76
  5. Step 5: Solve for x
    x = 393,764,490.76/28,078.73
  6. Step 6: Final answer
    x = 14,023.58

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1.5x scale

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.