Home / 21,032.11-31,693.24-19,057.65

Finding the Fourth Proportional to 21,032.11, 31,693.24 and 19,057.65

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Solution

The fourth proportional to 21,032.11, 31,693.24 and 19,057.65 is: 28,717.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.11 : 31,693.24 = 19,057.65 : x
  2. Step 2: Convert to fraction form
    21,032.11/31,693.24 = 19,057.65/x
  3. Step 3: Cross multiply
    21,032.11x = 31,693.24 × 19,057.65
  4. Step 4: Simplify right side
    21,032.11x = 603,998,580.26
  5. Step 5: Solve for x
    x = 603,998,580.26/21,032.11
  6. Step 6: Final answer
    x = 28,717.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.