Home / 26,518.05-39,778.83-7,799.76

Finding the Fourth Proportional to 26,518.05, 39,778.83 and 7,799.76

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Solution

The fourth proportional to 26,518.05, 39,778.83 and 7,799.76 is: 11,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,518.05 : 39,778.83 = 7,799.76 : x
  2. Step 2: Convert to fraction form
    26,518.05/39,778.83 = 7,799.76/x
  3. Step 3: Cross multiply
    26,518.05x = 39,778.83 × 7,799.76
  4. Step 4: Simplify right side
    26,518.05x = 310,265,327.08
  5. Step 5: Solve for x
    x = 310,265,327.08/26,518.05
  6. Step 6: Final answer
    x = 11,700.16

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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.