Home / 27,078.08-40,420.96-23,403.92

Finding the Fourth Proportional to 27,078.08, 40,420.96 and 23,403.92

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Solution

The fourth proportional to 27,078.08, 40,420.96 and 23,403.92 is: 34,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.08 : 40,420.96 = 23,403.92 : x
  2. Step 2: Convert to fraction form
    27,078.08/40,420.96 = 23,403.92/x
  3. Step 3: Cross multiply
    27,078.08x = 40,420.96 × 23,403.92
  4. Step 4: Simplify right side
    27,078.08x = 946,008,914.16
  5. Step 5: Solve for x
    x = 946,008,914.16/27,078.08
  6. Step 6: Final answer
    x = 34,936.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.