Home / 38,775.36-53,539.74-28,190.28

Finding the Fourth Proportional to 38,775.36, 53,539.74 and 28,190.28

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Solution

The fourth proportional to 38,775.36, 53,539.74 and 28,190.28 is: 38,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,775.36 : 53,539.74 = 28,190.28 : x
  2. Step 2: Convert to fraction form
    38,775.36/53,539.74 = 28,190.28/x
  3. Step 3: Cross multiply
    38,775.36x = 53,539.74 × 28,190.28
  4. Step 4: Simplify right side
    38,775.36x = 1,509,300,261.73
  5. Step 5: Solve for x
    x = 1,509,300,261.73/38,775.36
  6. Step 6: Final answer
    x = 38,924.21

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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.