Home / 26,703.09-40,019.60-19,650.08

Finding the Fourth Proportional to 26,703.09, 40,019.60 and 19,650.08

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Solution

The fourth proportional to 26,703.09, 40,019.60 and 19,650.08 is: 29,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,703.09 : 40,019.60 = 19,650.08 : x
  2. Step 2: Convert to fraction form
    26,703.09/40,019.60 = 19,650.08/x
  3. Step 3: Cross multiply
    26,703.09x = 40,019.60 × 19,650.08
  4. Step 4: Simplify right side
    26,703.09x = 786,388,490.74
  5. Step 5: Solve for x
    x = 786,388,490.74/26,703.09
  6. Step 6: Final answer
    x = 29,449.34

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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.