Home / 27,555.80-41,333.70-18,321.80

Finding the Fourth Proportional to 27,555.80, 41,333.70 and 18,321.80

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Solution

The fourth proportional to 27,555.80, 41,333.70 and 18,321.80 is: 27,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.80 : 41,333.70 = 18,321.80 : x
  2. Step 2: Convert to fraction form
    27,555.80/41,333.70 = 18,321.80/x
  3. Step 3: Cross multiply
    27,555.80x = 41,333.70 × 18,321.80
  4. Step 4: Simplify right side
    27,555.80x = 757,307,784.66
  5. Step 5: Solve for x
    x = 757,307,784.66/27,555.80
  6. Step 6: Final answer
    x = 27,482.70

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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.