Home / 28,346.88-42,506.40-10,576.86

Finding the Fourth Proportional to 28,346.88, 42,506.40 and 10,576.86

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Solution

The fourth proportional to 28,346.88, 42,506.40 and 10,576.86 is: 15,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.88 : 42,506.40 = 10,576.86 : x
  2. Step 2: Convert to fraction form
    28,346.88/42,506.40 = 10,576.86/x
  3. Step 3: Cross multiply
    28,346.88x = 42,506.40 × 10,576.86
  4. Step 4: Simplify right side
    28,346.88x = 449,584,241.90
  5. Step 5: Solve for x
    x = 449,584,241.90/28,346.88
  6. Step 6: Final answer
    x = 15,860.10

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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.