Home / 28,715.46-43,047.24-10,243.14

Finding the Fourth Proportional to 28,715.46, 43,047.24 and 10,243.14

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Solution

The fourth proportional to 28,715.46, 43,047.24 and 10,243.14 is: 15,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,715.46 : 43,047.24 = 10,243.14 : x
  2. Step 2: Convert to fraction form
    28,715.46/43,047.24 = 10,243.14/x
  3. Step 3: Cross multiply
    28,715.46x = 43,047.24 × 10,243.14
  4. Step 4: Simplify right side
    28,715.46x = 440,938,905.93
  5. Step 5: Solve for x
    x = 440,938,905.93/28,715.46
  6. Step 6: Final answer
    x = 15,355.45

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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.