Home / 27,931.58-41,897.82-6,871.67

Finding the Fourth Proportional to 27,931.58, 41,897.82 and 6,871.67

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Solution

The fourth proportional to 27,931.58, 41,897.82 and 6,871.67 is: 10,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.58 : 41,897.82 = 6,871.67 : x
  2. Step 2: Convert to fraction form
    27,931.58/41,897.82 = 6,871.67/x
  3. Step 3: Cross multiply
    27,931.58x = 41,897.82 × 6,871.67
  4. Step 4: Simplify right side
    27,931.58x = 287,907,958.40
  5. Step 5: Solve for x
    x = 287,907,958.40/27,931.58
  6. Step 6: Final answer
    x = 10,307.62

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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.