Home / 27,954.98-38,578.87-16,020.63

Finding the Fourth Proportional to 27,954.98, 38,578.87 and 16,020.63

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Solution

The fourth proportional to 27,954.98, 38,578.87 and 16,020.63 is: 22,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,954.98 : 38,578.87 = 16,020.63 : x
  2. Step 2: Convert to fraction form
    27,954.98/38,578.87 = 16,020.63/x
  3. Step 3: Cross multiply
    27,954.98x = 38,578.87 × 16,020.63
  4. Step 4: Simplify right side
    27,954.98x = 618,057,758.67
  5. Step 5: Solve for x
    x = 618,057,758.67/27,954.98
  6. Step 6: Final answer
    x = 22,109.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.