Home / 28,724.68-43,035.18-14,831.56

Finding the Fourth Proportional to 28,724.68, 43,035.18 and 14,831.56

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Solution

The fourth proportional to 28,724.68, 43,035.18 and 14,831.56 is: 22,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.68 : 43,035.18 = 14,831.56 : x
  2. Step 2: Convert to fraction form
    28,724.68/43,035.18 = 14,831.56/x
  3. Step 3: Cross multiply
    28,724.68x = 43,035.18 × 14,831.56
  4. Step 4: Simplify right side
    28,724.68x = 638,278,854.28
  5. Step 5: Solve for x
    x = 638,278,854.28/28,724.68
  6. Step 6: Final answer
    x = 22,220.57

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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.