Home / 26,618.11-39,929.46-9,755.70

Finding the Fourth Proportional to 26,618.11, 39,929.46 and 9,755.70

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Solution

The fourth proportional to 26,618.11, 39,929.46 and 9,755.70 is: 14,634.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,618.11 : 39,929.46 = 9,755.70 : x
  2. Step 2: Convert to fraction form
    26,618.11/39,929.46 = 9,755.70/x
  3. Step 3: Cross multiply
    26,618.11x = 39,929.46 × 9,755.70
  4. Step 4: Simplify right side
    26,618.11x = 389,539,832.92
  5. Step 5: Solve for x
    x = 389,539,832.92/26,618.11
  6. Step 6: Final answer
    x = 14,634.39

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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.