Home / 26,418.54-39,633.88-8,887.90

Finding the Fourth Proportional to 26,418.54, 39,633.88 and 8,887.90

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Solution

The fourth proportional to 26,418.54, 39,633.88 and 8,887.90 is: 13,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418.54 : 39,633.88 = 8,887.90 : x
  2. Step 2: Convert to fraction form
    26,418.54/39,633.88 = 8,887.90/x
  3. Step 3: Cross multiply
    26,418.54x = 39,633.88 × 8,887.90
  4. Step 4: Simplify right side
    26,418.54x = 352,261,962.05
  5. Step 5: Solve for x
    x = 352,261,962.05/26,418.54
  6. Step 6: Final answer
    x = 13,333.89

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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.