Home / 26,588.12-39,889.96-7,868.64

Finding the Fourth Proportional to 26,588.12, 39,889.96 and 7,868.64

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Solution

The fourth proportional to 26,588.12, 39,889.96 and 7,868.64 is: 11,805.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,588.12 : 39,889.96 = 7,868.64 : x
  2. Step 2: Convert to fraction form
    26,588.12/39,889.96 = 7,868.64/x
  3. Step 3: Cross multiply
    26,588.12x = 39,889.96 × 7,868.64
  4. Step 4: Simplify right side
    26,588.12x = 313,879,734.85
  5. Step 5: Solve for x
    x = 313,879,734.85/26,588.12
  6. Step 6: Final answer
    x = 11,805.26

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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.