Home / 27,419.40-41,129.10-15,733.80

Finding the Fourth Proportional to 27,419.40, 41,129.10 and 15,733.80

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Solution

The fourth proportional to 27,419.40, 41,129.10 and 15,733.80 is: 23,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.40 : 41,129.10 = 15,733.80 : x
  2. Step 2: Convert to fraction form
    27,419.40/41,129.10 = 15,733.80/x
  3. Step 3: Cross multiply
    27,419.40x = 41,129.10 × 15,733.80
  4. Step 4: Simplify right side
    27,419.40x = 647,117,033.58
  5. Step 5: Solve for x
    x = 647,117,033.58/27,419.40
  6. Step 6: Final answer
    x = 23,600.70

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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.