Home / 21,954.82-32,855.67-17,959.90

Finding the Fourth Proportional to 21,954.82, 32,855.67 and 17,959.90

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Solution

The fourth proportional to 21,954.82, 32,855.67 and 17,959.90 is: 26,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954.82 : 32,855.67 = 17,959.90 : x
  2. Step 2: Convert to fraction form
    21,954.82/32,855.67 = 17,959.90/x
  3. Step 3: Cross multiply
    21,954.82x = 32,855.67 × 17,959.90
  4. Step 4: Simplify right side
    21,954.82x = 590,084,547.63
  5. Step 5: Solve for x
    x = 590,084,547.63/21,954.82
  6. Step 6: Final answer
    x = 26,877.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.