Home / 27,602.72-38,091.84-15,027.44

Finding the Fourth Proportional to 27,602.72, 38,091.84 and 15,027.44

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Solution

The fourth proportional to 27,602.72, 38,091.84 and 15,027.44 is: 20,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,602.72 : 38,091.84 = 15,027.44 : x
  2. Step 2: Convert to fraction form
    27,602.72/38,091.84 = 15,027.44/x
  3. Step 3: Cross multiply
    27,602.72x = 38,091.84 × 15,027.44
  4. Step 4: Simplify right side
    27,602.72x = 572,422,840.09
  5. Step 5: Solve for x
    x = 572,422,840.09/27,602.72
  6. Step 6: Final answer
    x = 20,737.91

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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.