Home / 26,965.30-40,419.15-10,318.90

Finding the Fourth Proportional to 26,965.30, 40,419.15 and 10,318.90

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Solution

The fourth proportional to 26,965.30, 40,419.15 and 10,318.90 is: 15,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,965.30 : 40,419.15 = 10,318.90 : x
  2. Step 2: Convert to fraction form
    26,965.30/40,419.15 = 10,318.90/x
  3. Step 3: Cross multiply
    26,965.30x = 40,419.15 × 10,318.90
  4. Step 4: Simplify right side
    26,965.30x = 417,081,166.94
  5. Step 5: Solve for x
    x = 417,081,166.94/26,965.30
  6. Step 6: Final answer
    x = 15,467.33

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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.