Home / 28,860.66-43,257.96-13,077.72

Finding the Fourth Proportional to 28,860.66, 43,257.96 and 13,077.72

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Solution

The fourth proportional to 28,860.66, 43,257.96 and 13,077.72 is: 19,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.66 : 43,257.96 = 13,077.72 : x
  2. Step 2: Convert to fraction form
    28,860.66/43,257.96 = 13,077.72/x
  3. Step 3: Cross multiply
    28,860.66x = 43,257.96 × 13,077.72
  4. Step 4: Simplify right side
    28,860.66x = 565,715,488.65
  5. Step 5: Solve for x
    x = 565,715,488.65/28,860.66
  6. Step 6: Final answer
    x = 19,601.61

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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.