Home / 27,305.10-37,682.82-15,367.32

Finding the Fourth Proportional to 27,305.10, 37,682.82 and 15,367.32

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Solution

The fourth proportional to 27,305.10, 37,682.82 and 15,367.32 is: 21,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,305.10 : 37,682.82 = 15,367.32 : x
  2. Step 2: Convert to fraction form
    27,305.10/37,682.82 = 15,367.32/x
  3. Step 3: Cross multiply
    27,305.10x = 37,682.82 × 15,367.32
  4. Step 4: Simplify right side
    27,305.10x = 579,083,953.44
  5. Step 5: Solve for x
    x = 579,083,953.44/27,305.10
  6. Step 6: Final answer
    x = 21,207.90

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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.