Home / 25,195.76-34,766.30-15,122

Finding the Fourth Proportional to 25,195.76, 34,766.30 and 15,122

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Solution

The fourth proportional to 25,195.76, 34,766.30 and 15,122 is: 20,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,195.76 : 34,766.30 = 15,122 : x
  2. Step 2: Convert to fraction form
    25,195.76/34,766.30 = 15,122/x
  3. Step 3: Cross multiply
    25,195.76x = 34,766.30 × 15,122
  4. Step 4: Simplify right side
    25,195.76x = 525,735,988.60
  5. Step 5: Solve for x
    x = 525,735,988.60/25,195.76
  6. Step 6: Final answer
    x = 20,866.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.