Home / 27,119.22-40,647.60-10,471.92

Finding the Fourth Proportional to 27,119.22, 40,647.60 and 10,471.92

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Solution

The fourth proportional to 27,119.22, 40,647.60 and 10,471.92 is: 15,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,119.22 : 40,647.60 = 10,471.92 : x
  2. Step 2: Convert to fraction form
    27,119.22/40,647.60 = 10,471.92/x
  3. Step 3: Cross multiply
    27,119.22x = 40,647.60 × 10,471.92
  4. Step 4: Simplify right side
    27,119.22x = 425,658,415.39
  5. Step 5: Solve for x
    x = 425,658,415.39/27,119.22
  6. Step 6: Final answer
    x = 15,695.82

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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.