Home / 27,580.56-38,083.44-16,976.16

Finding the Fourth Proportional to 27,580.56, 38,083.44 and 16,976.16

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Solution

The fourth proportional to 27,580.56, 38,083.44 and 16,976.16 is: 23,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,580.56 : 38,083.44 = 16,976.16 : x
  2. Step 2: Convert to fraction form
    27,580.56/38,083.44 = 16,976.16/x
  3. Step 3: Cross multiply
    27,580.56x = 38,083.44 × 16,976.16
  4. Step 4: Simplify right side
    27,580.56x = 646,510,570.79
  5. Step 5: Solve for x
    x = 646,510,570.79/27,580.56
  6. Step 6: Final answer
    x = 23,440.81

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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.