Home / 27,080.56-40,610.07-10,431.40

Finding the Fourth Proportional to 27,080.56, 40,610.07 and 10,431.40

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Solution

The fourth proportional to 27,080.56, 40,610.07 and 10,431.40 is: 15,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,080.56 : 40,610.07 = 10,431.40 : x
  2. Step 2: Convert to fraction form
    27,080.56/40,610.07 = 10,431.40/x
  3. Step 3: Cross multiply
    27,080.56x = 40,610.07 × 10,431.40
  4. Step 4: Simplify right side
    27,080.56x = 423,619,884.20
  5. Step 5: Solve for x
    x = 423,619,884.20/27,080.56
  6. Step 6: Final answer
    x = 15,642.95

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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.