Home / 27,664.68-41,538.48-15,831.78

Finding the Fourth Proportional to 27,664.68, 41,538.48 and 15,831.78

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Solution

The fourth proportional to 27,664.68, 41,538.48 and 15,831.78 is: 23,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,664.68 : 41,538.48 = 15,831.78 : x
  2. Step 2: Convert to fraction form
    27,664.68/41,538.48 = 15,831.78/x
  3. Step 3: Cross multiply
    27,664.68x = 41,538.48 × 15,831.78
  4. Step 4: Simplify right side
    27,664.68x = 657,628,076.89
  5. Step 5: Solve for x
    x = 657,628,076.89/27,664.68
  6. Step 6: Final answer
    x = 23,771.40

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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.