Home / 27,789.88-41,686.67-9,775.94

Finding the Fourth Proportional to 27,789.88, 41,686.67 and 9,775.94

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Solution

The fourth proportional to 27,789.88, 41,686.67 and 9,775.94 is: 14,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,789.88 : 41,686.67 = 9,775.94 : x
  2. Step 2: Convert to fraction form
    27,789.88/41,686.67 = 9,775.94/x
  3. Step 3: Cross multiply
    27,789.88x = 41,686.67 × 9,775.94
  4. Step 4: Simplify right side
    27,789.88x = 407,526,384.72
  5. Step 5: Solve for x
    x = 407,526,384.72/27,789.88
  6. Step 6: Final answer
    x = 14,664.56

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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.