Home / 26,928.35-40,379.01-15,687.32

Finding the Fourth Proportional to 26,928.35, 40,379.01 and 15,687.32

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Solution

The fourth proportional to 26,928.35, 40,379.01 and 15,687.32 is: 23,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.35 : 40,379.01 = 15,687.32 : x
  2. Step 2: Convert to fraction form
    26,928.35/40,379.01 = 15,687.32/x
  3. Step 3: Cross multiply
    26,928.35x = 40,379.01 × 15,687.32
  4. Step 4: Simplify right side
    26,928.35x = 633,438,417.56
  5. Step 5: Solve for x
    x = 633,438,417.56/26,928.35
  6. Step 6: Final answer
    x = 23,523.11

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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.