Home / 28,831.24-43,252.71-12,191.23

Finding the Fourth Proportional to 28,831.24, 43,252.71 and 12,191.23

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Solution

The fourth proportional to 28,831.24, 43,252.71 and 12,191.23 is: 18,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.24 : 43,252.71 = 12,191.23 : x
  2. Step 2: Convert to fraction form
    28,831.24/43,252.71 = 12,191.23/x
  3. Step 3: Cross multiply
    28,831.24x = 43,252.71 × 12,191.23
  4. Step 4: Simplify right side
    28,831.24x = 527,303,735.73
  5. Step 5: Solve for x
    x = 527,303,735.73/28,831.24
  6. Step 6: Final answer
    x = 18,289.32

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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.