Home / 38,831.14-53,515.92-28,202.32

Finding the Fourth Proportional to 38,831.14, 53,515.92 and 28,202.32

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Solution

The fourth proportional to 38,831.14, 53,515.92 and 28,202.32 is: 38,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,831.14 : 53,515.92 = 28,202.32 : x
  2. Step 2: Convert to fraction form
    38,831.14/53,515.92 = 28,202.32/x
  3. Step 3: Cross multiply
    38,831.14x = 53,515.92 × 28,202.32
  4. Step 4: Simplify right side
    38,831.14x = 1,509,273,100.93
  5. Step 5: Solve for x
    x = 1,509,273,100.93/38,831.14
  6. Step 6: Final answer
    x = 38,867.60

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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.