Home / 38,824.52-53,506.78-28,195.70

Finding the Fourth Proportional to 38,824.52, 53,506.78 and 28,195.70

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Solution

The fourth proportional to 38,824.52, 53,506.78 and 28,195.70 is: 38,858.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,824.52 : 53,506.78 = 28,195.70 : x
  2. Step 2: Convert to fraction form
    38,824.52/53,506.78 = 28,195.70/x
  3. Step 3: Cross multiply
    38,824.52x = 53,506.78 × 28,195.70
  4. Step 4: Simplify right side
    38,824.52x = 1,508,660,778.82
  5. Step 5: Solve for x
    x = 1,508,660,778.82/38,824.52
  6. Step 6: Final answer
    x = 38,858.46

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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.