Home / 27,677.90-41,516.94-12,884.78

Finding the Fourth Proportional to 27,677.90, 41,516.94 and 12,884.78

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Solution

The fourth proportional to 27,677.90, 41,516.94 and 12,884.78 is: 19,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,677.90 : 41,516.94 = 12,884.78 : x
  2. Step 2: Convert to fraction form
    27,677.90/41,516.94 = 12,884.78/x
  3. Step 3: Cross multiply
    27,677.90x = 41,516.94 × 12,884.78
  4. Step 4: Simplify right side
    27,677.90x = 534,936,638.17
  5. Step 5: Solve for x
    x = 534,936,638.17/27,677.90
  6. Step 6: Final answer
    x = 19,327.21

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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.