Home / 26,904.60-40,356.90-19,474.20

Finding the Fourth Proportional to 26,904.60, 40,356.90 and 19,474.20

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Solution

The fourth proportional to 26,904.60, 40,356.90 and 19,474.20 is: 29,211.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,904.60 : 40,356.90 = 19,474.20 : x
  2. Step 2: Convert to fraction form
    26,904.60/40,356.90 = 19,474.20/x
  3. Step 3: Cross multiply
    26,904.60x = 40,356.90 × 19,474.20
  4. Step 4: Simplify right side
    26,904.60x = 785,918,341.98
  5. Step 5: Solve for x
    x = 785,918,341.98/26,904.60
  6. Step 6: Final answer
    x = 29,211.30

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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.