Home / 25,676.52-38,517.21-10,090.50

Finding the Fourth Proportional to 25,676.52, 38,517.21 and 10,090.50

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Solution

The fourth proportional to 25,676.52, 38,517.21 and 10,090.50 is: 15,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,676.52 : 38,517.21 = 10,090.50 : x
  2. Step 2: Convert to fraction form
    25,676.52/38,517.21 = 10,090.50/x
  3. Step 3: Cross multiply
    25,676.52x = 38,517.21 × 10,090.50
  4. Step 4: Simplify right side
    25,676.52x = 388,657,907.51
  5. Step 5: Solve for x
    x = 388,657,907.51/25,676.52
  6. Step 6: Final answer
    x = 15,136.70

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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.