Home / 27,424.80-41,180.40-15,760.80

Finding the Fourth Proportional to 27,424.80, 41,180.40 and 15,760.80

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Solution

The fourth proportional to 27,424.80, 41,180.40 and 15,760.80 is: 23,666.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,424.80 : 41,180.40 = 15,760.80 : x
  2. Step 2: Convert to fraction form
    27,424.80/41,180.40 = 15,760.80/x
  3. Step 3: Cross multiply
    27,424.80x = 41,180.40 × 15,760.80
  4. Step 4: Simplify right side
    27,424.80x = 649,036,048.32
  5. Step 5: Solve for x
    x = 649,036,048.32/27,424.80
  6. Step 6: Final answer
    x = 23,666.03

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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.