Home / 19,727.88-29,561.22-9,721.14

Finding the Fourth Proportional to 19,727.88, 29,561.22 and 9,721.14

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Solution

The fourth proportional to 19,727.88, 29,561.22 and 9,721.14 is: 14,566.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.88 : 29,561.22 = 9,721.14 : x
  2. Step 2: Convert to fraction form
    19,727.88/29,561.22 = 9,721.14/x
  3. Step 3: Cross multiply
    19,727.88x = 29,561.22 × 9,721.14
  4. Step 4: Simplify right side
    19,727.88x = 287,368,758.19
  5. Step 5: Solve for x
    x = 287,368,758.19/19,727.88
  6. Step 6: Final answer
    x = 14,566.63

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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.