Home / 29,112.96-43,688.56-15,974.56

Finding the Fourth Proportional to 29,112.96, 43,688.56 and 15,974.56

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Solution

The fourth proportional to 29,112.96, 43,688.56 and 15,974.56 is: 23,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112.96 : 43,688.56 = 15,974.56 : x
  2. Step 2: Convert to fraction form
    29,112.96/43,688.56 = 15,974.56/x
  3. Step 3: Cross multiply
    29,112.96x = 43,688.56 × 15,974.56
  4. Step 4: Simplify right side
    29,112.96x = 697,905,523.03
  5. Step 5: Solve for x
    x = 697,905,523.03/29,112.96
  6. Step 6: Final answer
    x = 23,972.33

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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.