Home / 28,782.24-43,137.07-15,422.10

Finding the Fourth Proportional to 28,782.24, 43,137.07 and 15,422.10

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Solution

The fourth proportional to 28,782.24, 43,137.07 and 15,422.10 is: 23,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.24 : 43,137.07 = 15,422.10 : x
  2. Step 2: Convert to fraction form
    28,782.24/43,137.07 = 15,422.10/x
  3. Step 3: Cross multiply
    28,782.24x = 43,137.07 × 15,422.10
  4. Step 4: Simplify right side
    28,782.24x = 665,264,093.68
  5. Step 5: Solve for x
    x = 665,264,093.68/28,782.24
  6. Step 6: Final answer
    x = 23,113.70

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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.