Home / 27,681.74-41,529.21-8,961.79

Finding the Fourth Proportional to 27,681.74, 41,529.21 and 8,961.79

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Solution

The fourth proportional to 27,681.74, 41,529.21 and 8,961.79 is: 13,444.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681.74 : 41,529.21 = 8,961.79 : x
  2. Step 2: Convert to fraction form
    27,681.74/41,529.21 = 8,961.79/x
  3. Step 3: Cross multiply
    27,681.74x = 41,529.21 × 8,961.79
  4. Step 4: Simplify right side
    27,681.74x = 372,176,058.89
  5. Step 5: Solve for x
    x = 372,176,058.89/27,681.74
  6. Step 6: Final answer
    x = 13,444.82

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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.