Home / 27,699.05-41,538.85-7,972.31

Finding the Fourth Proportional to 27,699.05, 41,538.85 and 7,972.31

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Solution

The fourth proportional to 27,699.05, 41,538.85 and 7,972.31 is: 11,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699.05 : 41,538.85 = 7,972.31 : x
  2. Step 2: Convert to fraction form
    27,699.05/41,538.85 = 7,972.31/x
  3. Step 3: Cross multiply
    27,699.05x = 41,538.85 × 7,972.31
  4. Step 4: Simplify right side
    27,699.05x = 331,160,589.24
  5. Step 5: Solve for x
    x = 331,160,589.24/27,699.05
  6. Step 6: Final answer
    x = 11,955.67

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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.