Home / 26,345.05-39,519.74-8,815.03

Finding the Fourth Proportional to 26,345.05, 39,519.74 and 8,815.03

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Solution

The fourth proportional to 26,345.05, 39,519.74 and 8,815.03 is: 13,223.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,345.05 : 39,519.74 = 8,815.03 : x
  2. Step 2: Convert to fraction form
    26,345.05/39,519.74 = 8,815.03/x
  3. Step 3: Cross multiply
    26,345.05x = 39,519.74 × 8,815.03
  4. Step 4: Simplify right side
    26,345.05x = 348,367,693.69
  5. Step 5: Solve for x
    x = 348,367,693.69/26,345.05
  6. Step 6: Final answer
    x = 13,223.27

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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.