Home / 26,650.26-40,001.31-12,808.98

Finding the Fourth Proportional to 26,650.26, 40,001.31 and 12,808.98

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Solution

The fourth proportional to 26,650.26, 40,001.31 and 12,808.98 is: 19,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,650.26 : 40,001.31 = 12,808.98 : x
  2. Step 2: Convert to fraction form
    26,650.26/40,001.31 = 12,808.98/x
  3. Step 3: Cross multiply
    26,650.26x = 40,001.31 × 12,808.98
  4. Step 4: Simplify right side
    26,650.26x = 512,375,979.76
  5. Step 5: Solve for x
    x = 512,375,979.76/26,650.26
  6. Step 6: Final answer
    x = 19,225.93

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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.