Home / 26,395.91-39,599.79-8,865.28

Finding the Fourth Proportional to 26,395.91, 39,599.79 and 8,865.28

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Solution

The fourth proportional to 26,395.91, 39,599.79 and 8,865.28 is: 13,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,395.91 : 39,599.79 = 8,865.28 : x
  2. Step 2: Convert to fraction form
    26,395.91/39,599.79 = 8,865.28/x
  3. Step 3: Cross multiply
    26,395.91x = 39,599.79 × 8,865.28
  4. Step 4: Simplify right side
    26,395.91x = 351,063,242.55
  5. Step 5: Solve for x
    x = 351,063,242.55/26,395.91
  6. Step 6: Final answer
    x = 13,299.91

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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.