Home / 27,742.70-41,627.72-12,949.47

Finding the Fourth Proportional to 27,742.70, 41,627.72 and 12,949.47

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Solution

The fourth proportional to 27,742.70, 41,627.72 and 12,949.47 is: 19,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.70 : 41,627.72 = 12,949.47 : x
  2. Step 2: Convert to fraction form
    27,742.70/41,627.72 = 12,949.47/x
  3. Step 3: Cross multiply
    27,742.70x = 41,627.72 × 12,949.47
  4. Step 4: Simplify right side
    27,742.70x = 539,056,943.68
  5. Step 5: Solve for x
    x = 539,056,943.68/27,742.70
  6. Step 6: Final answer
    x = 19,430.59

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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.