Home / 28,827.41-39,780.31-16,081.93

Finding the Fourth Proportional to 28,827.41, 39,780.31 and 16,081.93

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Solution

The fourth proportional to 28,827.41, 39,780.31 and 16,081.93 is: 22,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827.41 : 39,780.31 = 16,081.93 : x
  2. Step 2: Convert to fraction form
    28,827.41/39,780.31 = 16,081.93/x
  3. Step 3: Cross multiply
    28,827.41x = 39,780.31 × 16,081.93
  4. Step 4: Simplify right side
    28,827.41x = 639,743,921.69
  5. Step 5: Solve for x
    x = 639,743,921.69/28,827.41
  6. Step 6: Final answer
    x = 22,192.21

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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.