Home / 27,983.22-38,617.70-15,237.24

Finding the Fourth Proportional to 27,983.22, 38,617.70 and 15,237.24

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Solution

The fourth proportional to 27,983.22, 38,617.70 and 15,237.24 is: 21,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.22 : 38,617.70 = 15,237.24 : x
  2. Step 2: Convert to fraction form
    27,983.22/38,617.70 = 15,237.24/x
  3. Step 3: Cross multiply
    27,983.22x = 38,617.70 × 15,237.24
  4. Step 4: Simplify right side
    27,983.22x = 588,427,163.15
  5. Step 5: Solve for x
    x = 588,427,163.15/27,983.22
  6. Step 6: Final answer
    x = 21,027.86

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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.