Home / 26,788.24-40,174.16-18,521.38

Finding the Fourth Proportional to 26,788.24, 40,174.16 and 18,521.38

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Solution

The fourth proportional to 26,788.24, 40,174.16 and 18,521.38 is: 27,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,788.24 : 40,174.16 = 18,521.38 : x
  2. Step 2: Convert to fraction form
    26,788.24/40,174.16 = 18,521.38/x
  3. Step 3: Cross multiply
    26,788.24x = 40,174.16 × 18,521.38
  4. Step 4: Simplify right side
    26,788.24x = 744,080,790.93
  5. Step 5: Solve for x
    x = 744,080,790.93/26,788.24
  6. Step 6: Final answer
    x = 27,776.40

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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.