Home / 28,150.32-38,768.54-23,391.56

Finding the Fourth Proportional to 28,150.32, 38,768.54 and 23,391.56

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Solution

The fourth proportional to 28,150.32, 38,768.54 and 23,391.56 is: 32,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.32 : 38,768.54 = 23,391.56 : x
  2. Step 2: Convert to fraction form
    28,150.32/38,768.54 = 23,391.56/x
  3. Step 3: Cross multiply
    28,150.32x = 38,768.54 × 23,391.56
  4. Step 4: Simplify right side
    28,150.32x = 906,856,629.52
  5. Step 5: Solve for x
    x = 906,856,629.52/28,150.32
  6. Step 6: Final answer
    x = 32,214.79

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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.