Home / 27,931.50-41,897.66-6,871.55

Finding the Fourth Proportional to 27,931.50, 41,897.66 and 6,871.55

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Solution

The fourth proportional to 27,931.50, 41,897.66 and 6,871.55 is: 10,307.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.50 : 41,897.66 = 6,871.55 : x
  2. Step 2: Convert to fraction form
    27,931.50/41,897.66 = 6,871.55/x
  3. Step 3: Cross multiply
    27,931.50x = 41,897.66 × 6,871.55
  4. Step 4: Simplify right side
    27,931.50x = 287,901,621.73
  5. Step 5: Solve for x
    x = 287,901,621.73/27,931.50
  6. Step 6: Final answer
    x = 10,307.42

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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.