Home / 27,896.31-38,486.01-15,953.27

Finding the Fourth Proportional to 27,896.31, 38,486.01 and 15,953.27

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Solution

The fourth proportional to 27,896.31, 38,486.01 and 15,953.27 is: 22,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,896.31 : 38,486.01 = 15,953.27 : x
  2. Step 2: Convert to fraction form
    27,896.31/38,486.01 = 15,953.27/x
  3. Step 3: Cross multiply
    27,896.31x = 38,486.01 × 15,953.27
  4. Step 4: Simplify right side
    27,896.31x = 613,977,576.15
  5. Step 5: Solve for x
    x = 613,977,576.15/27,896.31
  6. Step 6: Final answer
    x = 22,009.28

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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.