Home / 26,429.76-39,633.12-8,894.88

Finding the Fourth Proportional to 26,429.76, 39,633.12 and 8,894.88

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Solution

The fourth proportional to 26,429.76, 39,633.12 and 8,894.88 is: 13,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.76 : 39,633.12 = 8,894.88 : x
  2. Step 2: Convert to fraction form
    26,429.76/39,633.12 = 8,894.88/x
  3. Step 3: Cross multiply
    26,429.76x = 39,633.12 × 8,894.88
  4. Step 4: Simplify right side
    26,429.76x = 352,531,846.43
  5. Step 5: Solve for x
    x = 352,531,846.43/26,429.76
  6. Step 6: Final answer
    x = 13,338.44

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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.