Home / 17,908.12-26,860.29-4,761.82

Finding the Fourth Proportional to 17,908.12, 26,860.29 and 4,761.82

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Solution

The fourth proportional to 17,908.12, 26,860.29 and 4,761.82 is: 7,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.12 : 26,860.29 = 4,761.82 : x
  2. Step 2: Convert to fraction form
    17,908.12/26,860.29 = 4,761.82/x
  3. Step 3: Cross multiply
    17,908.12x = 26,860.29 × 4,761.82
  4. Step 4: Simplify right side
    17,908.12x = 127,903,866.13
  5. Step 5: Solve for x
    x = 127,903,866.13/17,908.12
  6. Step 6: Final answer
    x = 7,142.23

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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.