Home / 21,776.88-32,665.32-17,422.02

Finding the Fourth Proportional to 21,776.88, 32,665.32 and 17,422.02

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Solution

The fourth proportional to 21,776.88, 32,665.32 and 17,422.02 is: 26,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,776.88 : 32,665.32 = 17,422.02 : x
  2. Step 2: Convert to fraction form
    21,776.88/32,665.32 = 17,422.02/x
  3. Step 3: Cross multiply
    21,776.88x = 32,665.32 × 17,422.02
  4. Step 4: Simplify right side
    21,776.88x = 569,095,858.35
  5. Step 5: Solve for x
    x = 569,095,858.35/21,776.88
  6. Step 6: Final answer
    x = 26,133.03

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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.