Home / 38,315.71-57,480.63-17,256.25

Finding the Fourth Proportional to 38,315.71, 57,480.63 and 17,256.25

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Solution

The fourth proportional to 38,315.71, 57,480.63 and 17,256.25 is: 25,887.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,315.71 : 57,480.63 = 17,256.25 : x
  2. Step 2: Convert to fraction form
    38,315.71/57,480.63 = 17,256.25/x
  3. Step 3: Cross multiply
    38,315.71x = 57,480.63 × 17,256.25
  4. Step 4: Simplify right side
    38,315.71x = 991,900,121.44
  5. Step 5: Solve for x
    x = 991,900,121.44/38,315.71
  6. Step 6: Final answer
    x = 25,887.56

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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.