Home / 55,292.56-82,914.44-15,840.72

Finding the Fourth Proportional to 55,292.56, 82,914.44 and 15,840.72

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Solution

The fourth proportional to 55,292.56, 82,914.44 and 15,840.72 is: 23,754.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,292.56 : 82,914.44 = 15,840.72 : x
  2. Step 2: Convert to fraction form
    55,292.56/82,914.44 = 15,840.72/x
  3. Step 3: Cross multiply
    55,292.56x = 82,914.44 × 15,840.72
  4. Step 4: Simplify right side
    55,292.56x = 1,313,424,428.00
  5. Step 5: Solve for x
    x = 1,313,424,428.00/55,292.56
  6. Step 6: Final answer
    x = 23,754.09

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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.