Home / 28,823.21-43,236.14-8,831.27

Finding the Fourth Proportional to 28,823.21, 43,236.14 and 8,831.27

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Solution

The fourth proportional to 28,823.21, 43,236.14 and 8,831.27 is: 13,247.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.21 : 43,236.14 = 8,831.27 : x
  2. Step 2: Convert to fraction form
    28,823.21/43,236.14 = 8,831.27/x
  3. Step 3: Cross multiply
    28,823.21x = 43,236.14 × 8,831.27
  4. Step 4: Simplify right side
    28,823.21x = 381,829,961.01
  5. Step 5: Solve for x
    x = 381,829,961.01/28,823.21
  6. Step 6: Final answer
    x = 13,247.31

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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.