Home / 43,855.60-65,784-14,273.56

Finding the Fourth Proportional to 43,855.60, 65,784 and 14,273.56

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Solution

The fourth proportional to 43,855.60, 65,784 and 14,273.56 is: 21,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,855.60 : 65,784 = 14,273.56 : x
  2. Step 2: Convert to fraction form
    43,855.60/65,784 = 14,273.56/x
  3. Step 3: Cross multiply
    43,855.60x = 65,784 × 14,273.56
  4. Step 4: Simplify right side
    43,855.60x = 938,971,871.04
  5. Step 5: Solve for x
    x = 938,971,871.04/43,855.60
  6. Step 6: Final answer
    x = 21,410.54

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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.