Home / 27,537.20-41,305.80-19,818.80

Finding the Fourth Proportional to 27,537.20, 41,305.80 and 19,818.80

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Solution

The fourth proportional to 27,537.20, 41,305.80 and 19,818.80 is: 29,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,537.20 : 41,305.80 = 19,818.80 : x
  2. Step 2: Convert to fraction form
    27,537.20/41,305.80 = 19,818.80/x
  3. Step 3: Cross multiply
    27,537.20x = 41,305.80 × 19,818.80
  4. Step 4: Simplify right side
    27,537.20x = 818,631,389.04
  5. Step 5: Solve for x
    x = 818,631,389.04/27,537.20
  6. Step 6: Final answer
    x = 29,728.20

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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.