Home / 38,236.55-52,751.72-28,188.88

Finding the Fourth Proportional to 38,236.55, 52,751.72 and 28,188.88

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Solution

The fourth proportional to 38,236.55, 52,751.72 and 28,188.88 is: 38,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,236.55 : 52,751.72 = 28,188.88 : x
  2. Step 2: Convert to fraction form
    38,236.55/52,751.72 = 28,188.88/x
  3. Step 3: Cross multiply
    38,236.55x = 52,751.72 × 28,188.88
  4. Step 4: Simplify right side
    38,236.55x = 1,487,011,843.47
  5. Step 5: Solve for x
    x = 1,487,011,843.47/38,236.55
  6. Step 6: Final answer
    x = 38,889.81

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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.