Home / 27,443.92-37,872.12-15,507.01

Finding the Fourth Proportional to 27,443.92, 37,872.12 and 15,507.01

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Solution

The fourth proportional to 27,443.92, 37,872.12 and 15,507.01 is: 21,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,443.92 : 37,872.12 = 15,507.01 : x
  2. Step 2: Convert to fraction form
    27,443.92/37,872.12 = 15,507.01/x
  3. Step 3: Cross multiply
    27,443.92x = 37,872.12 × 15,507.01
  4. Step 4: Simplify right side
    27,443.92x = 587,283,076.67
  5. Step 5: Solve for x
    x = 587,283,076.67/27,443.92
  6. Step 6: Final answer
    x = 21,399.39

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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.