Home / 38,144.40-57,216.60-26,480.40

Finding the Fourth Proportional to 38,144.40, 57,216.60 and 26,480.40

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Solution

The fourth proportional to 38,144.40, 57,216.60 and 26,480.40 is: 39,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,144.40 : 57,216.60 = 26,480.40 : x
  2. Step 2: Convert to fraction form
    38,144.40/57,216.60 = 26,480.40/x
  3. Step 3: Cross multiply
    38,144.40x = 57,216.60 × 26,480.40
  4. Step 4: Simplify right side
    38,144.40x = 1,515,118,454.64
  5. Step 5: Solve for x
    x = 1,515,118,454.64/38,144.40
  6. Step 6: Final answer
    x = 39,720.60

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1.5x scale

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.