Home / 27,831.07-41,656.29-20,433.88

Finding the Fourth Proportional to 27,831.07, 41,656.29 and 20,433.88

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Solution

The fourth proportional to 27,831.07, 41,656.29 and 20,433.88 is: 30,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,831.07 : 41,656.29 = 20,433.88 : x
  2. Step 2: Convert to fraction form
    27,831.07/41,656.29 = 20,433.88/x
  3. Step 3: Cross multiply
    27,831.07x = 41,656.29 × 20,433.88
  4. Step 4: Simplify right side
    27,831.07x = 851,199,631.11
  5. Step 5: Solve for x
    x = 851,199,631.11/27,831.07
  6. Step 6: Final answer
    x = 30,584.51

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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.