Home / 27,216.68-40,825.10-8,761.64

Finding the Fourth Proportional to 27,216.68, 40,825.10 and 8,761.64

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Solution

The fourth proportional to 27,216.68, 40,825.10 and 8,761.64 is: 13,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.68 : 40,825.10 = 8,761.64 : x
  2. Step 2: Convert to fraction form
    27,216.68/40,825.10 = 8,761.64/x
  3. Step 3: Cross multiply
    27,216.68x = 40,825.10 × 8,761.64
  4. Step 4: Simplify right side
    27,216.68x = 357,694,829.16
  5. Step 5: Solve for x
    x = 357,694,829.16/27,216.68
  6. Step 6: Final answer
    x = 13,142.49

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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.