Home / 38,431.40-57,647.10-16,269.80

Finding the Fourth Proportional to 38,431.40, 57,647.10 and 16,269.80

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Solution

The fourth proportional to 38,431.40, 57,647.10 and 16,269.80 is: 24,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.40 : 57,647.10 = 16,269.80 : x
  2. Step 2: Convert to fraction form
    38,431.40/57,647.10 = 16,269.80/x
  3. Step 3: Cross multiply
    38,431.40x = 57,647.10 × 16,269.80
  4. Step 4: Simplify right side
    38,431.40x = 937,906,787.58
  5. Step 5: Solve for x
    x = 937,906,787.58/38,431.40
  6. Step 6: Final answer
    x = 24,404.70

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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.