Home / 25,759.78-35,549.82-14,428.60

Finding the Fourth Proportional to 25,759.78, 35,549.82 and 14,428.60

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Solution

The fourth proportional to 25,759.78, 35,549.82 and 14,428.60 is: 19,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.78 : 35,549.82 = 14,428.60 : x
  2. Step 2: Convert to fraction form
    25,759.78/35,549.82 = 14,428.60/x
  3. Step 3: Cross multiply
    25,759.78x = 35,549.82 × 14,428.60
  4. Step 4: Simplify right side
    25,759.78x = 512,934,132.85
  5. Step 5: Solve for x
    x = 512,934,132.85/25,759.78
  6. Step 6: Final answer
    x = 19,912.21

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1.5x scale

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.