Home / 26,387.83-39,582.24-12,340.09

Finding the Fourth Proportional to 26,387.83, 39,582.24 and 12,340.09

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Solution

The fourth proportional to 26,387.83, 39,582.24 and 12,340.09 is: 18,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.83 : 39,582.24 = 12,340.09 : x
  2. Step 2: Convert to fraction form
    26,387.83/39,582.24 = 12,340.09/x
  3. Step 3: Cross multiply
    26,387.83x = 39,582.24 × 12,340.09
  4. Step 4: Simplify right side
    26,387.83x = 488,448,404.00
  5. Step 5: Solve for x
    x = 488,448,404.00/26,387.83
  6. Step 6: Final answer
    x = 18,510.37

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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.