Home / 27,519.54-41,285.58-9,989.36

Finding the Fourth Proportional to 27,519.54, 41,285.58 and 9,989.36

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Solution

The fourth proportional to 27,519.54, 41,285.58 and 9,989.36 is: 14,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519.54 : 41,285.58 = 9,989.36 : x
  2. Step 2: Convert to fraction form
    27,519.54/41,285.58 = 9,989.36/x
  3. Step 3: Cross multiply
    27,519.54x = 41,285.58 × 9,989.36
  4. Step 4: Simplify right side
    27,519.54x = 412,416,521.43
  5. Step 5: Solve for x
    x = 412,416,521.43/27,519.54
  6. Step 6: Final answer
    x = 14,986.32

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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.