Home / 28,000.20-41,943.60-17,437.80

Finding the Fourth Proportional to 28,000.20, 41,943.60 and 17,437.80

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Solution

The fourth proportional to 28,000.20, 41,943.60 and 17,437.80 is: 26,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.20 : 41,943.60 = 17,437.80 : x
  2. Step 2: Convert to fraction form
    28,000.20/41,943.60 = 17,437.80/x
  3. Step 3: Cross multiply
    28,000.20x = 41,943.60 × 17,437.80
  4. Step 4: Simplify right side
    28,000.20x = 731,404,108.08
  5. Step 5: Solve for x
    x = 731,404,108.08/28,000.20
  6. Step 6: Final answer
    x = 26,121.39

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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.