Home / 27,720.63-41,531.68-15,873.93

Finding the Fourth Proportional to 27,720.63, 41,531.68 and 15,873.93

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Solution

The fourth proportional to 27,720.63, 41,531.68 and 15,873.93 is: 23,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.63 : 41,531.68 = 15,873.93 : x
  2. Step 2: Convert to fraction form
    27,720.63/41,531.68 = 15,873.93/x
  3. Step 3: Cross multiply
    27,720.63x = 41,531.68 × 15,873.93
  4. Step 4: Simplify right side
    27,720.63x = 659,270,901.73
  5. Step 5: Solve for x
    x = 659,270,901.73/27,720.63
  6. Step 6: Final answer
    x = 23,782.68

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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.