Home / 38,628.64-57,928.38-17,837.56

Finding the Fourth Proportional to 38,628.64, 57,928.38 and 17,837.56

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Solution

The fourth proportional to 38,628.64, 57,928.38 and 17,837.56 is: 26,749.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,628.64 : 57,928.38 = 17,837.56 : x
  2. Step 2: Convert to fraction form
    38,628.64/57,928.38 = 17,837.56/x
  3. Step 3: Cross multiply
    38,628.64x = 57,928.38 × 17,837.56
  4. Step 4: Simplify right side
    38,628.64x = 1,033,300,953.95
  5. Step 5: Solve for x
    x = 1,033,300,953.95/38,628.64
  6. Step 6: Final answer
    x = 26,749.61

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1.5x scale

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.