Home / 28,502.24-39,333-15,927

Finding the Fourth Proportional to 28,502.24, 39,333 and 15,927

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Solution

The fourth proportional to 28,502.24, 39,333 and 15,927 is: 21,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502.24 : 39,333 = 15,927 : x
  2. Step 2: Convert to fraction form
    28,502.24/39,333 = 15,927/x
  3. Step 3: Cross multiply
    28,502.24x = 39,333 × 15,927
  4. Step 4: Simplify right side
    28,502.24x = 626,456,691
  5. Step 5: Solve for x
    x = 626,456,691/28,502.24
  6. Step 6: Final answer
    x = 21,979.21

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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.