Home / 43,729.59-65,578.28-15,642.03

Finding the Fourth Proportional to 43,729.59, 65,578.28 and 15,642.03

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Solution

The fourth proportional to 43,729.59, 65,578.28 and 15,642.03 is: 23,457.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,729.59 : 65,578.28 = 15,642.03 : x
  2. Step 2: Convert to fraction form
    43,729.59/65,578.28 = 15,642.03/x
  3. Step 3: Cross multiply
    43,729.59x = 65,578.28 × 15,642.03
  4. Step 4: Simplify right side
    43,729.59x = 1,025,777,344.90
  5. Step 5: Solve for x
    x = 1,025,777,344.90/43,729.59
  6. Step 6: Final answer
    x = 23,457.28

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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.