Home / 27,399.16-40,858.16-27,149.68

Finding the Fourth Proportional to 27,399.16, 40,858.16 and 27,149.68

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Solution

The fourth proportional to 27,399.16, 40,858.16 and 27,149.68 is: 40,486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,399.16 : 40,858.16 = 27,149.68 : x
  2. Step 2: Convert to fraction form
    27,399.16/40,858.16 = 27,149.68/x
  3. Step 3: Cross multiply
    27,399.16x = 40,858.16 × 27,149.68
  4. Step 4: Simplify right side
    27,399.16x = 1,109,285,969.39
  5. Step 5: Solve for x
    x = 1,109,285,969.39/27,399.16
  6. Step 6: Final answer
    x = 40,486.13

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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.