Home / 38,455.20-57,690.36-16,268.40

Finding the Fourth Proportional to 38,455.20, 57,690.36 and 16,268.40

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Solution

The fourth proportional to 38,455.20, 57,690.36 and 16,268.40 is: 24,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455.20 : 57,690.36 = 16,268.40 : x
  2. Step 2: Convert to fraction form
    38,455.20/57,690.36 = 16,268.40/x
  3. Step 3: Cross multiply
    38,455.20x = 57,690.36 × 16,268.40
  4. Step 4: Simplify right side
    38,455.20x = 938,529,852.62
  5. Step 5: Solve for x
    x = 938,529,852.62/38,455.20
  6. Step 6: Final answer
    x = 24,405.80

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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.