Home / 27,738.68-41,632.73-12,955.92

Finding the Fourth Proportional to 27,738.68, 41,632.73 and 12,955.92

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Solution

The fourth proportional to 27,738.68, 41,632.73 and 12,955.92 is: 19,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,738.68 : 41,632.73 = 12,955.92 : x
  2. Step 2: Convert to fraction form
    27,738.68/41,632.73 = 12,955.92/x
  3. Step 3: Cross multiply
    27,738.68x = 41,632.73 × 12,955.92
  4. Step 4: Simplify right side
    27,738.68x = 539,390,571.10
  5. Step 5: Solve for x
    x = 539,390,571.10/27,738.68
  6. Step 6: Final answer
    x = 19,445.43

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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.