Home / 43,468.28-65,201.84-13,885.72

Finding the Fourth Proportional to 43,468.28, 65,201.84 and 13,885.72

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Solution

The fourth proportional to 43,468.28, 65,201.84 and 13,885.72 is: 20,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,468.28 : 65,201.84 = 13,885.72 : x
  2. Step 2: Convert to fraction form
    43,468.28/65,201.84 = 13,885.72/x
  3. Step 3: Cross multiply
    43,468.28x = 65,201.84 × 13,885.72
  4. Step 4: Simplify right side
    43,468.28x = 905,374,493.72
  5. Step 5: Solve for x
    x = 905,374,493.72/43,468.28
  6. Step 6: Final answer
    x = 20,828.39

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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.