Home / 21,058.64-29,060.96-11,627.21

Finding the Fourth Proportional to 21,058.64, 29,060.96 and 11,627.21

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Solution

The fourth proportional to 21,058.64, 29,060.96 and 11,627.21 is: 16,045.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.64 : 29,060.96 = 11,627.21 : x
  2. Step 2: Convert to fraction form
    21,058.64/29,060.96 = 11,627.21/x
  3. Step 3: Cross multiply
    21,058.64x = 29,060.96 × 11,627.21
  4. Step 4: Simplify right side
    21,058.64x = 337,897,681.28
  5. Step 5: Solve for x
    x = 337,897,681.28/21,058.64
  6. Step 6: Final answer
    x = 16,045.56

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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.