Home / 27,162-37,485.72-15,986.16

Finding the Fourth Proportional to 27,162, 37,485.72 and 15,986.16

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Solution

The fourth proportional to 27,162, 37,485.72 and 15,986.16 is: 22,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,162 : 37,485.72 = 15,986.16 : x
  2. Step 2: Convert to fraction form
    27,162/37,485.72 = 15,986.16/x
  3. Step 3: Cross multiply
    27,162x = 37,485.72 × 15,986.16
  4. Step 4: Simplify right side
    27,162x = 599,252,717.64
  5. Step 5: Solve for x
    x = 599,252,717.64/27,162
  6. Step 6: Final answer
    x = 22,062.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.