Home / 21,577.51-29,786.18-14,508.03

Finding the Fourth Proportional to 21,577.51, 29,786.18 and 14,508.03

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Solution

The fourth proportional to 21,577.51, 29,786.18 and 14,508.03 is: 20,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,577.51 : 29,786.18 = 14,508.03 : x
  2. Step 2: Convert to fraction form
    21,577.51/29,786.18 = 14,508.03/x
  3. Step 3: Cross multiply
    21,577.51x = 29,786.18 × 14,508.03
  4. Step 4: Simplify right side
    21,577.51x = 432,138,793.03
  5. Step 5: Solve for x
    x = 432,138,793.03/21,577.51
  6. Step 6: Final answer
    x = 20,027.28

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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.