Home / 26,486.55-39,725.60-8,717.31

Finding the Fourth Proportional to 26,486.55, 39,725.60 and 8,717.31

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Solution

The fourth proportional to 26,486.55, 39,725.60 and 8,717.31 is: 13,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,486.55 : 39,725.60 = 8,717.31 : x
  2. Step 2: Convert to fraction form
    26,486.55/39,725.60 = 8,717.31/x
  3. Step 3: Cross multiply
    26,486.55x = 39,725.60 × 8,717.31
  4. Step 4: Simplify right side
    26,486.55x = 346,300,326.55
  5. Step 5: Solve for x
    x = 346,300,326.55/26,486.55
  6. Step 6: Final answer
    x = 13,074.57

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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.