Home / 27,761.40-41,664-10,243.53

Finding the Fourth Proportional to 27,761.40, 41,664 and 10,243.53

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Solution

The fourth proportional to 27,761.40, 41,664 and 10,243.53 is: 15,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,761.40 : 41,664 = 10,243.53 : x
  2. Step 2: Convert to fraction form
    27,761.40/41,664 = 10,243.53/x
  3. Step 3: Cross multiply
    27,761.40x = 41,664 × 10,243.53
  4. Step 4: Simplify right side
    27,761.40x = 426,786,433.92
  5. Step 5: Solve for x
    x = 426,786,433.92/27,761.40
  6. Step 6: Final answer
    x = 15,373.38

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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.