Home / 27,715.69-41,562.81-8,991.23

Finding the Fourth Proportional to 27,715.69, 41,562.81 and 8,991.23

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Solution

The fourth proportional to 27,715.69, 41,562.81 and 8,991.23 is: 13,483.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,715.69 : 41,562.81 = 8,991.23 : x
  2. Step 2: Convert to fraction form
    27,715.69/41,562.81 = 8,991.23/x
  3. Step 3: Cross multiply
    27,715.69x = 41,562.81 × 8,991.23
  4. Step 4: Simplify right side
    27,715.69x = 373,700,784.16
  5. Step 5: Solve for x
    x = 373,700,784.16/27,715.69
  6. Step 6: Final answer
    x = 13,483.37

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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.