Home / 21,835.18-32,669.70-13,494.52

Finding the Fourth Proportional to 21,835.18, 32,669.70 and 13,494.52

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Solution

The fourth proportional to 21,835.18, 32,669.70 and 13,494.52 is: 20,190.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,835.18 : 32,669.70 = 13,494.52 : x
  2. Step 2: Convert to fraction form
    21,835.18/32,669.70 = 13,494.52/x
  3. Step 3: Cross multiply
    21,835.18x = 32,669.70 × 13,494.52
  4. Step 4: Simplify right side
    21,835.18x = 440,861,920.04
  5. Step 5: Solve for x
    x = 440,861,920.04/21,835.18
  6. Step 6: Final answer
    x = 20,190.44

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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.