Home / 26,400.82-39,601.24-8,870.65

Finding the Fourth Proportional to 26,400.82, 39,601.24 and 8,870.65

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Solution

The fourth proportional to 26,400.82, 39,601.24 and 8,870.65 is: 13,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,400.82 : 39,601.24 = 8,870.65 : x
  2. Step 2: Convert to fraction form
    26,400.82/39,601.24 = 8,870.65/x
  3. Step 3: Cross multiply
    26,400.82x = 39,601.24 × 8,870.65
  4. Step 4: Simplify right side
    26,400.82x = 351,288,739.61
  5. Step 5: Solve for x
    x = 351,288,739.61/26,400.82
  6. Step 6: Final answer
    x = 13,305.98

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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.