Home / 28,831.56-43,245.21-13,849.40

Finding the Fourth Proportional to 28,831.56, 43,245.21 and 13,849.40

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Solution

The fourth proportional to 28,831.56, 43,245.21 and 13,849.40 is: 20,773.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.56 : 43,245.21 = 13,849.40 : x
  2. Step 2: Convert to fraction form
    28,831.56/43,245.21 = 13,849.40/x
  3. Step 3: Cross multiply
    28,831.56x = 43,245.21 × 13,849.40
  4. Step 4: Simplify right side
    28,831.56x = 598,919,995.15
  5. Step 5: Solve for x
    x = 598,919,995.15/28,831.56
  6. Step 6: Final answer
    x = 20,773.07

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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.