Home / 26,585.82-39,872.70-7,867.26

Finding the Fourth Proportional to 26,585.82, 39,872.70 and 7,867.26

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Solution

The fourth proportional to 26,585.82, 39,872.70 and 7,867.26 is: 11,799.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,585.82 : 39,872.70 = 7,867.26 : x
  2. Step 2: Convert to fraction form
    26,585.82/39,872.70 = 7,867.26/x
  3. Step 3: Cross multiply
    26,585.82x = 39,872.70 × 7,867.26
  4. Step 4: Simplify right side
    26,585.82x = 313,688,897.80
  5. Step 5: Solve for x
    x = 313,688,897.80/26,585.82
  6. Step 6: Final answer
    x = 11,799.11

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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.