Home / 43,401.56-65,102.34-13,828.46

Finding the Fourth Proportional to 43,401.56, 65,102.34 and 13,828.46

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Solution

The fourth proportional to 43,401.56, 65,102.34 and 13,828.46 is: 20,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,401.56 : 65,102.34 = 13,828.46 : x
  2. Step 2: Convert to fraction form
    43,401.56/65,102.34 = 13,828.46/x
  3. Step 3: Cross multiply
    43,401.56x = 65,102.34 × 13,828.46
  4. Step 4: Simplify right side
    43,401.56x = 900,265,104.60
  5. Step 5: Solve for x
    x = 900,265,104.60/43,401.56
  6. Step 6: Final answer
    x = 20,742.69

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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.