Home / 27,681.46-41,528.79-8,961.50

Finding the Fourth Proportional to 27,681.46, 41,528.79 and 8,961.50

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Solution

The fourth proportional to 27,681.46, 41,528.79 and 8,961.50 is: 13,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681.46 : 41,528.79 = 8,961.50 : x
  2. Step 2: Convert to fraction form
    27,681.46/41,528.79 = 8,961.50/x
  3. Step 3: Cross multiply
    27,681.46x = 41,528.79 × 8,961.50
  4. Step 4: Simplify right side
    27,681.46x = 372,160,251.59
  5. Step 5: Solve for x
    x = 372,160,251.59/27,681.46
  6. Step 6: Final answer
    x = 13,444.39

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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.