Home / 20,852.01-31,286.93-13,834.49

Finding the Fourth Proportional to 20,852.01, 31,286.93 and 13,834.49

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Solution

The fourth proportional to 20,852.01, 31,286.93 and 13,834.49 is: 20,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852.01 : 31,286.93 = 13,834.49 : x
  2. Step 2: Convert to fraction form
    20,852.01/31,286.93 = 13,834.49/x
  3. Step 3: Cross multiply
    20,852.01x = 31,286.93 × 13,834.49
  4. Step 4: Simplify right side
    20,852.01x = 432,838,494.61
  5. Step 5: Solve for x
    x = 432,838,494.61/20,852.01
  6. Step 6: Final answer
    x = 20,757.64

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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.