Home / 43,941.78-65,905.79-15,857.46

Finding the Fourth Proportional to 43,941.78, 65,905.79 and 15,857.46

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Solution

The fourth proportional to 43,941.78, 65,905.79 and 15,857.46 is: 23,783.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,941.78 : 65,905.79 = 15,857.46 : x
  2. Step 2: Convert to fraction form
    43,941.78/65,905.79 = 15,857.46/x
  3. Step 3: Cross multiply
    43,941.78x = 65,905.79 × 15,857.46
  4. Step 4: Simplify right side
    43,941.78x = 1,045,098,349.41
  5. Step 5: Solve for x
    x = 1,045,098,349.41/43,941.78
  6. Step 6: Final answer
    x = 23,783.71

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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.