Home / 38,490.40-57,735.60-25,357.60

Finding the Fourth Proportional to 38,490.40, 57,735.60 and 25,357.60

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Solution

The fourth proportional to 38,490.40, 57,735.60 and 25,357.60 is: 38,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,490.40 : 57,735.60 = 25,357.60 : x
  2. Step 2: Convert to fraction form
    38,490.40/57,735.60 = 25,357.60/x
  3. Step 3: Cross multiply
    38,490.40x = 57,735.60 × 25,357.60
  4. Step 4: Simplify right side
    38,490.40x = 1,464,036,250.56
  5. Step 5: Solve for x
    x = 1,464,036,250.56/38,490.40
  6. Step 6: Final answer
    x = 38,036.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.