Home / 28,936.01-43,359.34-19,539.20

Finding the Fourth Proportional to 28,936.01, 43,359.34 and 19,539.20

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Solution

The fourth proportional to 28,936.01, 43,359.34 and 19,539.20 is: 29,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.01 : 43,359.34 = 19,539.20 : x
  2. Step 2: Convert to fraction form
    28,936.01/43,359.34 = 19,539.20/x
  3. Step 3: Cross multiply
    28,936.01x = 43,359.34 × 19,539.20
  4. Step 4: Simplify right side
    28,936.01x = 847,206,816.13
  5. Step 5: Solve for x
    x = 847,206,816.13/28,936.01
  6. Step 6: Final answer
    x = 29,278.63

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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.