Home / 21,704.47-32,583.29-14,315.11

Finding the Fourth Proportional to 21,704.47, 32,583.29 and 14,315.11

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Solution

The fourth proportional to 21,704.47, 32,583.29 and 14,315.11 is: 21,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704.47 : 32,583.29 = 14,315.11 : x
  2. Step 2: Convert to fraction form
    21,704.47/32,583.29 = 14,315.11/x
  3. Step 3: Cross multiply
    21,704.47x = 32,583.29 × 14,315.11
  4. Step 4: Simplify right side
    21,704.47x = 466,433,380.51
  5. Step 5: Solve for x
    x = 466,433,380.51/21,704.47
  6. Step 6: Final answer
    x = 21,490.20

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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.