Home / 28,811.52-39,759.66-16,064.56

Finding the Fourth Proportional to 28,811.52, 39,759.66 and 16,064.56

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Solution

The fourth proportional to 28,811.52, 39,759.66 and 16,064.56 is: 22,168.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811.52 : 39,759.66 = 16,064.56 : x
  2. Step 2: Convert to fraction form
    28,811.52/39,759.66 = 16,064.56/x
  3. Step 3: Cross multiply
    28,811.52x = 39,759.66 × 16,064.56
  4. Step 4: Simplify right side
    28,811.52x = 638,721,443.65
  5. Step 5: Solve for x
    x = 638,721,443.65/28,811.52
  6. Step 6: Final answer
    x = 22,168.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.