Home / 27,511.92-37,968.75-16,905.24

Finding the Fourth Proportional to 27,511.92, 37,968.75 and 16,905.24

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Solution

The fourth proportional to 27,511.92, 37,968.75 and 16,905.24 is: 23,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,511.92 : 37,968.75 = 16,905.24 : x
  2. Step 2: Convert to fraction form
    27,511.92/37,968.75 = 16,905.24/x
  3. Step 3: Cross multiply
    27,511.92x = 37,968.75 × 16,905.24
  4. Step 4: Simplify right side
    27,511.92x = 641,870,831.25
  5. Step 5: Solve for x
    x = 641,870,831.25/27,511.92
  6. Step 6: Final answer
    x = 23,330.64

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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.