Home / 20,824.49-31,254.20-10,835.37

Finding the Fourth Proportional to 20,824.49, 31,254.20 and 10,835.37

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Solution

The fourth proportional to 20,824.49, 31,254.20 and 10,835.37 is: 16,262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,824.49 : 31,254.20 = 10,835.37 : x
  2. Step 2: Convert to fraction form
    20,824.49/31,254.20 = 10,835.37/x
  3. Step 3: Cross multiply
    20,824.49x = 31,254.20 × 10,835.37
  4. Step 4: Simplify right side
    20,824.49x = 338,650,868.46
  5. Step 5: Solve for x
    x = 338,650,868.46/20,824.49
  6. Step 6: Final answer
    x = 16,262.14

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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.