Home / 27,239.01-37,591.44-20,512.77

Finding the Fourth Proportional to 27,239.01, 37,591.44 and 20,512.77

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Solution

The fourth proportional to 27,239.01, 37,591.44 and 20,512.77 is: 28,308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,239.01 : 37,591.44 = 20,512.77 : x
  2. Step 2: Convert to fraction form
    27,239.01/37,591.44 = 20,512.77/x
  3. Step 3: Cross multiply
    27,239.01x = 37,591.44 × 20,512.77
  4. Step 4: Simplify right side
    27,239.01x = 771,104,272.17
  5. Step 5: Solve for x
    x = 771,104,272.17/27,239.01
  6. Step 6: Final answer
    x = 28,308.83

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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.