Home / 26,343.97-39,515.91-12,299.29

Finding the Fourth Proportional to 26,343.97, 39,515.91 and 12,299.29

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Solution

The fourth proportional to 26,343.97, 39,515.91 and 12,299.29 is: 18,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,343.97 : 39,515.91 = 12,299.29 : x
  2. Step 2: Convert to fraction form
    26,343.97/39,515.91 = 12,299.29/x
  3. Step 3: Cross multiply
    26,343.97x = 39,515.91 × 12,299.29
  4. Step 4: Simplify right side
    26,343.97x = 486,017,636.70
  5. Step 5: Solve for x
    x = 486,017,636.70/26,343.97
  6. Step 6: Final answer
    x = 18,448.91

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1.5x scale

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.