Home / 27,938.35-41,901.64-8,211.55

Finding the Fourth Proportional to 27,938.35, 41,901.64 and 8,211.55

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Solution

The fourth proportional to 27,938.35, 41,901.64 and 8,211.55 is: 12,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.35 : 41,901.64 = 8,211.55 : x
  2. Step 2: Convert to fraction form
    27,938.35/41,901.64 = 8,211.55/x
  3. Step 3: Cross multiply
    27,938.35x = 41,901.64 × 8,211.55
  4. Step 4: Simplify right side
    27,938.35x = 344,077,411.94
  5. Step 5: Solve for x
    x = 344,077,411.94/27,938.35
  6. Step 6: Final answer
    x = 12,315.60

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1.5x scale

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.