Home / 28,029.47-41,996.63-16,912.80

Finding the Fourth Proportional to 28,029.47, 41,996.63 and 16,912.80

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Solution

The fourth proportional to 28,029.47, 41,996.63 and 16,912.80 is: 25,340.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029.47 : 41,996.63 = 16,912.80 : x
  2. Step 2: Convert to fraction form
    28,029.47/41,996.63 = 16,912.80/x
  3. Step 3: Cross multiply
    28,029.47x = 41,996.63 × 16,912.80
  4. Step 4: Simplify right side
    28,029.47x = 710,280,551.01
  5. Step 5: Solve for x
    x = 710,280,551.01/28,029.47
  6. Step 6: Final answer
    x = 25,340.49

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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.