Home / 26,722.31-40,097.40-19,387.28

Finding the Fourth Proportional to 26,722.31, 40,097.40 and 19,387.28

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Solution

The fourth proportional to 26,722.31, 40,097.40 and 19,387.28 is: 29,091.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,722.31 : 40,097.40 = 19,387.28 : x
  2. Step 2: Convert to fraction form
    26,722.31/40,097.40 = 19,387.28/x
  3. Step 3: Cross multiply
    26,722.31x = 40,097.40 × 19,387.28
  4. Step 4: Simplify right side
    26,722.31x = 777,379,548.61
  5. Step 5: Solve for x
    x = 777,379,548.61/26,722.31
  6. Step 6: Final answer
    x = 29,091.04

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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.