Home / 28,827.49-39,781.99-16,081.50

Finding the Fourth Proportional to 28,827.49, 39,781.99 and 16,081.50

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Solution

The fourth proportional to 28,827.49, 39,781.99 and 16,081.50 is: 22,192.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827.49 : 39,781.99 = 16,081.50 : x
  2. Step 2: Convert to fraction form
    28,827.49/39,781.99 = 16,081.50/x
  3. Step 3: Cross multiply
    28,827.49x = 39,781.99 × 16,081.50
  4. Step 4: Simplify right side
    28,827.49x = 639,754,072.19
  5. Step 5: Solve for x
    x = 639,754,072.19/28,827.49
  6. Step 6: Final answer
    x = 22,192.50

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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.