Home / 27,435.70-41,120.75-12,629.71

Finding the Fourth Proportional to 27,435.70, 41,120.75 and 12,629.71

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Solution

The fourth proportional to 27,435.70, 41,120.75 and 12,629.71 is: 18,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,435.70 : 41,120.75 = 12,629.71 : x
  2. Step 2: Convert to fraction form
    27,435.70/41,120.75 = 12,629.71/x
  3. Step 3: Cross multiply
    27,435.70x = 41,120.75 × 12,629.71
  4. Step 4: Simplify right side
    27,435.70x = 519,343,084.33
  5. Step 5: Solve for x
    x = 519,343,084.33/27,435.70
  6. Step 6: Final answer
    x = 18,929.46

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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.