Home / 19,277.33-28,882.97-12,940.35

Finding the Fourth Proportional to 19,277.33, 28,882.97 and 12,940.35

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Solution

The fourth proportional to 19,277.33, 28,882.97 and 12,940.35 is: 19,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.33 : 28,882.97 = 12,940.35 : x
  2. Step 2: Convert to fraction form
    19,277.33/28,882.97 = 12,940.35/x
  3. Step 3: Cross multiply
    19,277.33x = 28,882.97 × 12,940.35
  4. Step 4: Simplify right side
    19,277.33x = 373,755,676.14
  5. Step 5: Solve for x
    x = 373,755,676.14/19,277.33
  6. Step 6: Final answer
    x = 19,388.35

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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.