Home / 26,440.19-39,665.75-8,911.38

Finding the Fourth Proportional to 26,440.19, 39,665.75 and 8,911.38

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Solution

The fourth proportional to 26,440.19, 39,665.75 and 8,911.38 is: 13,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.19 : 39,665.75 = 8,911.38 : x
  2. Step 2: Convert to fraction form
    26,440.19/39,665.75 = 8,911.38/x
  3. Step 3: Cross multiply
    26,440.19x = 39,665.75 × 8,911.38
  4. Step 4: Simplify right side
    26,440.19x = 353,476,526.68
  5. Step 5: Solve for x
    x = 353,476,526.68/26,440.19
  6. Step 6: Final answer
    x = 13,368.91

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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.