Home / 19,926.28-27,502.77-15,159.43

Finding the Fourth Proportional to 19,926.28, 27,502.77 and 15,159.43

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Solution

The fourth proportional to 19,926.28, 27,502.77 and 15,159.43 is: 20,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.28 : 27,502.77 = 15,159.43 : x
  2. Step 2: Convert to fraction form
    19,926.28/27,502.77 = 15,159.43/x
  3. Step 3: Cross multiply
    19,926.28x = 27,502.77 × 15,159.43
  4. Step 4: Simplify right side
    19,926.28x = 416,926,316.62
  5. Step 5: Solve for x
    x = 416,926,316.62/19,926.28
  6. Step 6: Final answer
    x = 20,923.44

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