Home / 27,931.77-41,896.60-6,871.88

Finding the Fourth Proportional to 27,931.77, 41,896.60 and 6,871.88

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Solution

The fourth proportional to 27,931.77, 41,896.60 and 6,871.88 is: 10,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.77 : 41,896.60 = 6,871.88 : x
  2. Step 2: Convert to fraction form
    27,931.77/41,896.60 = 6,871.88/x
  3. Step 3: Cross multiply
    27,931.77x = 41,896.60 × 6,871.88
  4. Step 4: Simplify right side
    27,931.77x = 287,908,495.17
  5. Step 5: Solve for x
    x = 287,908,495.17/27,931.77
  6. Step 6: Final answer
    x = 10,307.56

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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.