Home / 27,858.99-41,749.20-15,384.63

Finding the Fourth Proportional to 27,858.99, 41,749.20 and 15,384.63

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Solution

The fourth proportional to 27,858.99, 41,749.20 and 15,384.63 is: 23,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,858.99 : 41,749.20 = 15,384.63 : x
  2. Step 2: Convert to fraction form
    27,858.99/41,749.20 = 15,384.63/x
  3. Step 3: Cross multiply
    27,858.99x = 41,749.20 × 15,384.63
  4. Step 4: Simplify right side
    27,858.99x = 642,295,994.80
  5. Step 5: Solve for x
    x = 642,295,994.80/27,858.99
  6. Step 6: Final answer
    x = 23,055.25

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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.