Home / 27,391.03-37,799.63-15,292.43

Finding the Fourth Proportional to 27,391.03, 37,799.63 and 15,292.43

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Solution

The fourth proportional to 27,391.03, 37,799.63 and 15,292.43 is: 21,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,391.03 : 37,799.63 = 15,292.43 : x
  2. Step 2: Convert to fraction form
    27,391.03/37,799.63 = 15,292.43/x
  3. Step 3: Cross multiply
    27,391.03x = 37,799.63 × 15,292.43
  4. Step 4: Simplify right side
    27,391.03x = 578,048,129.44
  5. Step 5: Solve for x
    x = 578,048,129.44/27,391.03
  6. Step 6: Final answer
    x = 21,103.56

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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.