Home / 38,831.52-53,516.42-28,202.70

Finding the Fourth Proportional to 38,831.52, 53,516.42 and 28,202.70

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Solution

The fourth proportional to 38,831.52, 53,516.42 and 28,202.70 is: 38,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,831.52 : 53,516.42 = 28,202.70 : x
  2. Step 2: Convert to fraction form
    38,831.52/53,516.42 = 28,202.70/x
  3. Step 3: Cross multiply
    38,831.52x = 53,516.42 × 28,202.70
  4. Step 4: Simplify right side
    38,831.52x = 1,509,307,538.33
  5. Step 5: Solve for x
    x = 1,509,307,538.33/38,831.52
  6. Step 6: Final answer
    x = 38,868.10

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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.