Home / 26,518.60-39,768.72-7,793.74

Finding the Fourth Proportional to 26,518.60, 39,768.72 and 7,793.74

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Solution

The fourth proportional to 26,518.60, 39,768.72 and 7,793.74 is: 11,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,518.60 : 39,768.72 = 7,793.74 : x
  2. Step 2: Convert to fraction form
    26,518.60/39,768.72 = 7,793.74/x
  3. Step 3: Cross multiply
    26,518.60x = 39,768.72 × 7,793.74
  4. Step 4: Simplify right side
    26,518.60x = 309,947,063.81
  5. Step 5: Solve for x
    x = 309,947,063.81/26,518.60
  6. Step 6: Final answer
    x = 11,687.91

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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.