Home / 26,930-37,166.28-15,761.36

Finding the Fourth Proportional to 26,930, 37,166.28 and 15,761.36

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Solution

The fourth proportional to 26,930, 37,166.28 and 15,761.36 is: 21,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,930 : 37,166.28 = 15,761.36 : x
  2. Step 2: Convert to fraction form
    26,930/37,166.28 = 15,761.36/x
  3. Step 3: Cross multiply
    26,930x = 37,166.28 × 15,761.36
  4. Step 4: Simplify right side
    26,930x = 585,791,118.94
  5. Step 5: Solve for x
    x = 585,791,118.94/26,930
  6. Step 6: Final answer
    x = 21,752.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.