Home / 21,282.78-31,937.94-9,595.29

Finding the Fourth Proportional to 21,282.78, 31,937.94 and 9,595.29

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Solution

The fourth proportional to 21,282.78, 31,937.94 and 9,595.29 is: 14,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282.78 : 31,937.94 = 9,595.29 : x
  2. Step 2: Convert to fraction form
    21,282.78/31,937.94 = 9,595.29/x
  3. Step 3: Cross multiply
    21,282.78x = 31,937.94 × 9,595.29
  4. Step 4: Simplify right side
    21,282.78x = 306,453,796.30
  5. Step 5: Solve for x
    x = 306,453,796.30/21,282.78
  6. Step 6: Final answer
    x = 14,399.14

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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.