Home / 21,227.04-31,792.01-10,141.52

Finding the Fourth Proportional to 21,227.04, 31,792.01 and 10,141.52

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Solution

The fourth proportional to 21,227.04, 31,792.01 and 10,141.52 is: 15,189.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,227.04 : 31,792.01 = 10,141.52 : x
  2. Step 2: Convert to fraction form
    21,227.04/31,792.01 = 10,141.52/x
  3. Step 3: Cross multiply
    21,227.04x = 31,792.01 × 10,141.52
  4. Step 4: Simplify right side
    21,227.04x = 322,419,095.59
  5. Step 5: Solve for x
    x = 322,419,095.59/21,227.04
  6. Step 6: Final answer
    x = 15,189.07

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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.