Home / 28,912.20-43,335.90-14,866.80

Finding the Fourth Proportional to 28,912.20, 43,335.90 and 14,866.80

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Solution

The fourth proportional to 28,912.20, 43,335.90 and 14,866.80 is: 22,283.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912.20 : 43,335.90 = 14,866.80 : x
  2. Step 2: Convert to fraction form
    28,912.20/43,335.90 = 14,866.80/x
  3. Step 3: Cross multiply
    28,912.20x = 43,335.90 × 14,866.80
  4. Step 4: Simplify right side
    28,912.20x = 644,266,158.12
  5. Step 5: Solve for x
    x = 644,266,158.12/28,912.20
  6. Step 6: Final answer
    x = 22,283.54

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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.