Home / 26,852.85-40,281.57-7,131.15

Finding the Fourth Proportional to 26,852.85, 40,281.57 and 7,131.15

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Solution

The fourth proportional to 26,852.85, 40,281.57 and 7,131.15 is: 10,697.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,852.85 : 40,281.57 = 7,131.15 : x
  2. Step 2: Convert to fraction form
    26,852.85/40,281.57 = 7,131.15/x
  3. Step 3: Cross multiply
    26,852.85x = 40,281.57 × 7,131.15
  4. Step 4: Simplify right side
    26,852.85x = 287,253,917.91
  5. Step 5: Solve for x
    x = 287,253,917.91/26,852.85
  6. Step 6: Final answer
    x = 10,697.33

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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.