Home / 27,918.68-41,885.84-11,290.39

Finding the Fourth Proportional to 27,918.68, 41,885.84 and 11,290.39

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Solution

The fourth proportional to 27,918.68, 41,885.84 and 11,290.39 is: 16,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918.68 : 41,885.84 = 11,290.39 : x
  2. Step 2: Convert to fraction form
    27,918.68/41,885.84 = 11,290.39/x
  3. Step 3: Cross multiply
    27,918.68x = 41,885.84 × 11,290.39
  4. Step 4: Simplify right side
    27,918.68x = 472,907,329.08
  5. Step 5: Solve for x
    x = 472,907,329.08/27,918.68
  6. Step 6: Final answer
    x = 16,938.74

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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.