Home / 10,428.44-15,642.52-2,531.02

Finding the Fourth Proportional to 10,428.44, 15,642.52 and 2,531.02

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Solution

The fourth proportional to 10,428.44, 15,642.52 and 2,531.02 is: 3,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.44 : 15,642.52 = 2,531.02 : x
  2. Step 2: Convert to fraction form
    10,428.44/15,642.52 = 2,531.02/x
  3. Step 3: Cross multiply
    10,428.44x = 15,642.52 × 2,531.02
  4. Step 4: Simplify right side
    10,428.44x = 39,591,465.70
  5. Step 5: Solve for x
    x = 39,591,465.70/10,428.44
  6. Step 6: Final answer
    x = 3,796.49

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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.