Home / 27,632.07-38,131.07-15,695.37

Finding the Fourth Proportional to 27,632.07, 38,131.07 and 15,695.37

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Solution

The fourth proportional to 27,632.07, 38,131.07 and 15,695.37 is: 21,658.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,632.07 : 38,131.07 = 15,695.37 : x
  2. Step 2: Convert to fraction form
    27,632.07/38,131.07 = 15,695.37/x
  3. Step 3: Cross multiply
    27,632.07x = 38,131.07 × 15,695.37
  4. Step 4: Simplify right side
    27,632.07x = 598,481,173.67
  5. Step 5: Solve for x
    x = 598,481,173.67/27,632.07
  6. Step 6: Final answer
    x = 21,658.93

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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.