Home / 25,776.47-38,614.37-17,769.82

Finding the Fourth Proportional to 25,776.47, 38,614.37 and 17,769.82

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Solution

The fourth proportional to 25,776.47, 38,614.37 and 17,769.82 is: 26,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,776.47 : 38,614.37 = 17,769.82 : x
  2. Step 2: Convert to fraction form
    25,776.47/38,614.37 = 17,769.82/x
  3. Step 3: Cross multiply
    25,776.47x = 38,614.37 × 17,769.82
  4. Step 4: Simplify right side
    25,776.47x = 686,170,363.73
  5. Step 5: Solve for x
    x = 686,170,363.73/25,776.47
  6. Step 6: Final answer
    x = 26,620.03

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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.