Home / 21,930.44-32,900.52-10,237.28

Finding the Fourth Proportional to 21,930.44, 32,900.52 and 10,237.28

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Solution

The fourth proportional to 21,930.44, 32,900.52 and 10,237.28 is: 15,358.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,930.44 : 32,900.52 = 10,237.28 : x
  2. Step 2: Convert to fraction form
    21,930.44/32,900.52 = 10,237.28/x
  3. Step 3: Cross multiply
    21,930.44x = 32,900.52 × 10,237.28
  4. Step 4: Simplify right side
    21,930.44x = 336,811,835.39
  5. Step 5: Solve for x
    x = 336,811,835.39/21,930.44
  6. Step 6: Final answer
    x = 15,358.19

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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.