Home / 26,951.78-40,435.47-11,153.89

Finding the Fourth Proportional to 26,951.78, 40,435.47 and 11,153.89

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Solution

The fourth proportional to 26,951.78, 40,435.47 and 11,153.89 is: 16,734.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,951.78 : 40,435.47 = 11,153.89 : x
  2. Step 2: Convert to fraction form
    26,951.78/40,435.47 = 11,153.89/x
  3. Step 3: Cross multiply
    26,951.78x = 40,435.47 × 11,153.89
  4. Step 4: Simplify right side
    26,951.78x = 451,012,948.75
  5. Step 5: Solve for x
    x = 451,012,948.75/26,951.78
  6. Step 6: Final answer
    x = 16,734.07

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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.