Home / 21,684.08-29,943.96-17,435.84

Finding the Fourth Proportional to 21,684.08, 29,943.96 and 17,435.84

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Solution

The fourth proportional to 21,684.08, 29,943.96 and 17,435.84 is: 24,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684.08 : 29,943.96 = 17,435.84 : x
  2. Step 2: Convert to fraction form
    21,684.08/29,943.96 = 17,435.84/x
  3. Step 3: Cross multiply
    21,684.08x = 29,943.96 × 17,435.84
  4. Step 4: Simplify right side
    21,684.08x = 522,098,095.53
  5. Step 5: Solve for x
    x = 522,098,095.53/21,684.08
  6. Step 6: Final answer
    x = 24,077.48

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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.