Home / 21,655.38-32,483.06-6,864.29

Finding the Fourth Proportional to 21,655.38, 32,483.06 and 6,864.29

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Solution

The fourth proportional to 21,655.38, 32,483.06 and 6,864.29 is: 10,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,655.38 : 32,483.06 = 6,864.29 : x
  2. Step 2: Convert to fraction form
    21,655.38/32,483.06 = 6,864.29/x
  3. Step 3: Cross multiply
    21,655.38x = 32,483.06 × 6,864.29
  4. Step 4: Simplify right side
    21,655.38x = 222,973,120.48
  5. Step 5: Solve for x
    x = 222,973,120.48/21,655.38
  6. Step 6: Final answer
    x = 10,296.43

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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.