Home / 26,699.80-36,844.82-15,367.72

Finding the Fourth Proportional to 26,699.80, 36,844.82 and 15,367.72

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Solution

The fourth proportional to 26,699.80, 36,844.82 and 15,367.72 is: 21,206.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,699.80 : 36,844.82 = 15,367.72 : x
  2. Step 2: Convert to fraction form
    26,699.80/36,844.82 = 15,367.72/x
  3. Step 3: Cross multiply
    26,699.80x = 36,844.82 × 15,367.72
  4. Step 4: Simplify right side
    26,699.80x = 566,220,877.21
  5. Step 5: Solve for x
    x = 566,220,877.21/26,699.80
  6. Step 6: Final answer
    x = 21,206.93

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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.