Home / 28,198.60-42,304.30-16,505.80

Finding the Fourth Proportional to 28,198.60, 42,304.30 and 16,505.80

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Solution

The fourth proportional to 28,198.60, 42,304.30 and 16,505.80 is: 24,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198.60 : 42,304.30 = 16,505.80 : x
  2. Step 2: Convert to fraction form
    28,198.60/42,304.30 = 16,505.80/x
  3. Step 3: Cross multiply
    28,198.60x = 42,304.30 × 16,505.80
  4. Step 4: Simplify right side
    28,198.60x = 698,266,314.94
  5. Step 5: Solve for x
    x = 698,266,314.94/28,198.60
  6. Step 6: Final answer
    x = 24,762.45

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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.