Home / 19,926.59-29,908.31-10,072.80

Finding the Fourth Proportional to 19,926.59, 29,908.31 and 10,072.80

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Solution

The fourth proportional to 19,926.59, 29,908.31 and 10,072.80 is: 15,118.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.59 : 29,908.31 = 10,072.80 : x
  2. Step 2: Convert to fraction form
    19,926.59/29,908.31 = 10,072.80/x
  3. Step 3: Cross multiply
    19,926.59x = 29,908.31 × 10,072.80
  4. Step 4: Simplify right side
    19,926.59x = 301,260,374.60
  5. Step 5: Solve for x
    x = 301,260,374.60/19,926.59
  6. Step 6: Final answer
    x = 15,118.52

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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.