Home / 43,869.04-65,816.31-15,788.56

Finding the Fourth Proportional to 43,869.04, 65,816.31 and 15,788.56

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Solution

The fourth proportional to 43,869.04, 65,816.31 and 15,788.56 is: 23,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,869.04 : 65,816.31 = 15,788.56 : x
  2. Step 2: Convert to fraction form
    43,869.04/65,816.31 = 15,788.56/x
  3. Step 3: Cross multiply
    43,869.04x = 65,816.31 × 15,788.56
  4. Step 4: Simplify right side
    43,869.04x = 1,039,144,759.41
  5. Step 5: Solve for x
    x = 1,039,144,759.41/43,869.04
  6. Step 6: Final answer
    x = 23,687.43

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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.