Home / 27,132.26-40,712.21-15,903.80

Finding the Fourth Proportional to 27,132.26, 40,712.21 and 15,903.80

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Solution

The fourth proportional to 27,132.26, 40,712.21 and 15,903.80 is: 23,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,132.26 : 40,712.21 = 15,903.80 : x
  2. Step 2: Convert to fraction form
    27,132.26/40,712.21 = 15,903.80/x
  3. Step 3: Cross multiply
    27,132.26x = 40,712.21 × 15,903.80
  4. Step 4: Simplify right side
    27,132.26x = 647,478,845.40
  5. Step 5: Solve for x
    x = 647,478,845.40/27,132.26
  6. Step 6: Final answer
    x = 23,863.80

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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.