Home / 28,502.25-39,333.11-15,927

Finding the Fourth Proportional to 28,502.25, 39,333.11 and 15,927

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Solution

The fourth proportional to 28,502.25, 39,333.11 and 15,927 is: 21,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502.25 : 39,333.11 = 15,927 : x
  2. Step 2: Convert to fraction form
    28,502.25/39,333.11 = 15,927/x
  3. Step 3: Cross multiply
    28,502.25x = 39,333.11 × 15,927
  4. Step 4: Simplify right side
    28,502.25x = 626,458,363.34
  5. Step 5: Solve for x
    x = 626,458,363.34/28,502.25
  6. Step 6: Final answer
    x = 21,979.26

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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.