Home / 21,974.85-32,897.46-13,628.01

Finding the Fourth Proportional to 21,974.85, 32,897.46 and 13,628.01

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Solution

The fourth proportional to 21,974.85, 32,897.46 and 13,628.01 is: 20,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,974.85 : 32,897.46 = 13,628.01 : x
  2. Step 2: Convert to fraction form
    21,974.85/32,897.46 = 13,628.01/x
  3. Step 3: Cross multiply
    21,974.85x = 32,897.46 × 13,628.01
  4. Step 4: Simplify right side
    21,974.85x = 448,326,913.85
  5. Step 5: Solve for x
    x = 448,326,913.85/21,974.85
  6. Step 6: Final answer
    x = 20,401.82

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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.