Home / 26,878.59-40,317.14-7,157.32

Finding the Fourth Proportional to 26,878.59, 40,317.14 and 7,157.32

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Solution

The fourth proportional to 26,878.59, 40,317.14 and 7,157.32 is: 10,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878.59 : 40,317.14 = 7,157.32 : x
  2. Step 2: Convert to fraction form
    26,878.59/40,317.14 = 7,157.32/x
  3. Step 3: Cross multiply
    26,878.59x = 40,317.14 × 7,157.32
  4. Step 4: Simplify right side
    26,878.59x = 288,562,589.57
  5. Step 5: Solve for x
    x = 288,562,589.57/26,878.59
  6. Step 6: Final answer
    x = 10,735.78

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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.