Home / 38,586.80-57,880.20-16,400.90

Finding the Fourth Proportional to 38,586.80, 57,880.20 and 16,400.90

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Solution

The fourth proportional to 38,586.80, 57,880.20 and 16,400.90 is: 24,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,586.80 : 57,880.20 = 16,400.90 : x
  2. Step 2: Convert to fraction form
    38,586.80/57,880.20 = 16,400.90/x
  3. Step 3: Cross multiply
    38,586.80x = 57,880.20 × 16,400.90
  4. Step 4: Simplify right side
    38,586.80x = 949,287,372.18
  5. Step 5: Solve for x
    x = 949,287,372.18/38,586.80
  6. Step 6: Final answer
    x = 24,601.35

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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.