Home / 27,268.45-37,628.25-15,329.55

Finding the Fourth Proportional to 27,268.45, 37,628.25 and 15,329.55

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Solution

The fourth proportional to 27,268.45, 37,628.25 and 15,329.55 is: 21,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,268.45 : 37,628.25 = 15,329.55 : x
  2. Step 2: Convert to fraction form
    27,268.45/37,628.25 = 15,329.55/x
  3. Step 3: Cross multiply
    27,268.45x = 37,628.25 × 15,329.55
  4. Step 4: Simplify right side
    27,268.45x = 576,824,223.41
  5. Step 5: Solve for x
    x = 576,824,223.41/27,268.45
  6. Step 6: Final answer
    x = 21,153.54

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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.