Home / 21,057.16-29,058.32-11,625.52

Finding the Fourth Proportional to 21,057.16, 29,058.32 and 11,625.52

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Solution

The fourth proportional to 21,057.16, 29,058.32 and 11,625.52 is: 16,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057.16 : 29,058.32 = 11,625.52 : x
  2. Step 2: Convert to fraction form
    21,057.16/29,058.32 = 11,625.52/x
  3. Step 3: Cross multiply
    21,057.16x = 29,058.32 × 11,625.52
  4. Step 4: Simplify right side
    21,057.16x = 337,818,080.33
  5. Step 5: Solve for x
    x = 337,818,080.33/21,057.16
  6. Step 6: Final answer
    x = 16,042.91

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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.