Home / 10,428.83-15,643.25-2,531.35

Finding the Fourth Proportional to 10,428.83, 15,643.25 and 2,531.35

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Solution

The fourth proportional to 10,428.83, 15,643.25 and 2,531.35 is: 3,797.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.83 : 15,643.25 = 2,531.35 : x
  2. Step 2: Convert to fraction form
    10,428.83/15,643.25 = 2,531.35/x
  3. Step 3: Cross multiply
    10,428.83x = 15,643.25 × 2,531.35
  4. Step 4: Simplify right side
    10,428.83x = 39,598,601.88
  5. Step 5: Solve for x
    x = 39,598,601.88/10,428.83
  6. Step 6: Final answer
    x = 3,797.03

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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.