Home / 26,595.82-39,902.91-11,815.12

Finding the Fourth Proportional to 26,595.82, 39,902.91 and 11,815.12

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Solution

The fourth proportional to 26,595.82, 39,902.91 and 11,815.12 is: 17,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,595.82 : 39,902.91 = 11,815.12 : x
  2. Step 2: Convert to fraction form
    26,595.82/39,902.91 = 11,815.12/x
  3. Step 3: Cross multiply
    26,595.82x = 39,902.91 × 11,815.12
  4. Step 4: Simplify right side
    26,595.82x = 471,457,670.00
  5. Step 5: Solve for x
    x = 471,457,670.00/26,595.82
  6. Step 6: Final answer
    x = 17,726.76

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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.