Home / 28,822.20-43,236.18-8,831.46

Finding the Fourth Proportional to 28,822.20, 43,236.18 and 8,831.46

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Solution

The fourth proportional to 28,822.20, 43,236.18 and 8,831.46 is: 13,248.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.20 : 43,236.18 = 8,831.46 : x
  2. Step 2: Convert to fraction form
    28,822.20/43,236.18 = 8,831.46/x
  3. Step 3: Cross multiply
    28,822.20x = 43,236.18 × 8,831.46
  4. Step 4: Simplify right side
    28,822.20x = 381,838,594.22
  5. Step 5: Solve for x
    x = 381,838,594.22/28,822.20
  6. Step 6: Final answer
    x = 13,248.07

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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.