Home / 27,440.12-37,865.25-15,504.54

Finding the Fourth Proportional to 27,440.12, 37,865.25 and 15,504.54

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Solution

The fourth proportional to 27,440.12, 37,865.25 and 15,504.54 is: 21,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,440.12 : 37,865.25 = 15,504.54 : x
  2. Step 2: Convert to fraction form
    27,440.12/37,865.25 = 15,504.54/x
  3. Step 3: Cross multiply
    27,440.12x = 37,865.25 × 15,504.54
  4. Step 4: Simplify right side
    27,440.12x = 587,083,283.24
  5. Step 5: Solve for x
    x = 587,083,283.24/27,440.12
  6. Step 6: Final answer
    x = 21,395.07

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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.