Home / 20,733.05-31,053.99-17,134.38

Finding the Fourth Proportional to 20,733.05, 31,053.99 and 17,134.38

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Solution

The fourth proportional to 20,733.05, 31,053.99 and 17,134.38 is: 25,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.05 : 31,053.99 = 17,134.38 : x
  2. Step 2: Convert to fraction form
    20,733.05/31,053.99 = 17,134.38/x
  3. Step 3: Cross multiply
    20,733.05x = 31,053.99 × 17,134.38
  4. Step 4: Simplify right side
    20,733.05x = 532,090,981.63
  5. Step 5: Solve for x
    x = 532,090,981.63/20,733.05
  6. Step 6: Final answer
    x = 25,663.90

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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.