Home / 27,078.12-40,607.94-10,436.76

Finding the Fourth Proportional to 27,078.12, 40,607.94 and 10,436.76

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Solution

The fourth proportional to 27,078.12, 40,607.94 and 10,436.76 is: 15,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.12 : 40,607.94 = 10,436.76 : x
  2. Step 2: Convert to fraction form
    27,078.12/40,607.94 = 10,436.76/x
  3. Step 3: Cross multiply
    27,078.12x = 40,607.94 × 10,436.76
  4. Step 4: Simplify right side
    27,078.12x = 423,815,323.87
  5. Step 5: Solve for x
    x = 423,815,323.87/27,078.12
  6. Step 6: Final answer
    x = 15,651.58

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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.