Home / 27,780.98-41,676.32-9,055.80

Finding the Fourth Proportional to 27,780.98, 41,676.32 and 9,055.80

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Solution

The fourth proportional to 27,780.98, 41,676.32 and 9,055.80 is: 13,585.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,780.98 : 41,676.32 = 9,055.80 : x
  2. Step 2: Convert to fraction form
    27,780.98/41,676.32 = 9,055.80/x
  3. Step 3: Cross multiply
    27,780.98x = 41,676.32 × 9,055.80
  4. Step 4: Simplify right side
    27,780.98x = 377,412,441.30
  5. Step 5: Solve for x
    x = 377,412,441.30/27,780.98
  6. Step 6: Final answer
    x = 13,585.28

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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.