Home / 21,684.43-32,503.29-14,185.15

Finding the Fourth Proportional to 21,684.43, 32,503.29 and 14,185.15

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Solution

The fourth proportional to 21,684.43, 32,503.29 and 14,185.15 is: 21,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684.43 : 32,503.29 = 14,185.15 : x
  2. Step 2: Convert to fraction form
    21,684.43/32,503.29 = 14,185.15/x
  3. Step 3: Cross multiply
    21,684.43x = 32,503.29 × 14,185.15
  4. Step 4: Simplify right side
    21,684.43x = 461,064,044.14
  5. Step 5: Solve for x
    x = 461,064,044.14/21,684.43
  6. Step 6: Final answer
    x = 21,262.45

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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.