Home / 19,740.50-27,241.89-10,908.50

Finding the Fourth Proportional to 19,740.50, 27,241.89 and 10,908.50

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Solution

The fourth proportional to 19,740.50, 27,241.89 and 10,908.50 is: 15,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.50 : 27,241.89 = 10,908.50 : x
  2. Step 2: Convert to fraction form
    19,740.50/27,241.89 = 10,908.50/x
  3. Step 3: Cross multiply
    19,740.50x = 27,241.89 × 10,908.50
  4. Step 4: Simplify right side
    19,740.50x = 297,168,157.07
  5. Step 5: Solve for x
    x = 297,168,157.07/19,740.50
  6. Step 6: Final answer
    x = 15,053.73

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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.