Home / 27,912.56-41,873.36-9,187.16

Finding the Fourth Proportional to 27,912.56, 41,873.36 and 9,187.16

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Solution

The fourth proportional to 27,912.56, 41,873.36 and 9,187.16 is: 13,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.56 : 41,873.36 = 9,187.16 : x
  2. Step 2: Convert to fraction form
    27,912.56/41,873.36 = 9,187.16/x
  3. Step 3: Cross multiply
    27,912.56x = 41,873.36 × 9,187.16
  4. Step 4: Simplify right side
    27,912.56x = 384,697,258.06
  5. Step 5: Solve for x
    x = 384,697,258.06/27,912.56
  6. Step 6: Final answer
    x = 13,782.23

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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.