Home / 27,158.36-37,464.81-20,072.48

Finding the Fourth Proportional to 27,158.36, 37,464.81 and 20,072.48

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Solution

The fourth proportional to 27,158.36, 37,464.81 and 20,072.48 is: 27,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158.36 : 37,464.81 = 20,072.48 : x
  2. Step 2: Convert to fraction form
    27,158.36/37,464.81 = 20,072.48/x
  3. Step 3: Cross multiply
    27,158.36x = 37,464.81 × 20,072.48
  4. Step 4: Simplify right side
    27,158.36x = 752,011,649.43
  5. Step 5: Solve for x
    x = 752,011,649.43/27,158.36
  6. Step 6: Final answer
    x = 27,689.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.