Home / 16,385.40-24,578.10-15,348.60

Finding the Fourth Proportional to 16,385.40, 24,578.10 and 15,348.60

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Solution

The fourth proportional to 16,385.40, 24,578.10 and 15,348.60 is: 23,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.40 : 24,578.10 = 15,348.60 : x
  2. Step 2: Convert to fraction form
    16,385.40/24,578.10 = 15,348.60/x
  3. Step 3: Cross multiply
    16,385.40x = 24,578.10 × 15,348.60
  4. Step 4: Simplify right side
    16,385.40x = 377,239,425.66
  5. Step 5: Solve for x
    x = 377,239,425.66/16,385.40
  6. Step 6: Final answer
    x = 23,022.90

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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.