Home / 38,621.80-57,954.30-16,431.40

Finding the Fourth Proportional to 38,621.80, 57,954.30 and 16,431.40

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Solution

The fourth proportional to 38,621.80, 57,954.30 and 16,431.40 is: 24,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621.80 : 57,954.30 = 16,431.40 : x
  2. Step 2: Convert to fraction form
    38,621.80/57,954.30 = 16,431.40/x
  3. Step 3: Cross multiply
    38,621.80x = 57,954.30 × 16,431.40
  4. Step 4: Simplify right side
    38,621.80x = 952,270,285.02
  5. Step 5: Solve for x
    x = 952,270,285.02/38,621.80
  6. Step 6: Final answer
    x = 24,656.29

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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.