Home / 25,327.28-34,951.56-13,997.36

Finding the Fourth Proportional to 25,327.28, 34,951.56 and 13,997.36

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Solution

The fourth proportional to 25,327.28, 34,951.56 and 13,997.36 is: 19,316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,327.28 : 34,951.56 = 13,997.36 : x
  2. Step 2: Convert to fraction form
    25,327.28/34,951.56 = 13,997.36/x
  3. Step 3: Cross multiply
    25,327.28x = 34,951.56 × 13,997.36
  4. Step 4: Simplify right side
    25,327.28x = 489,229,567.88
  5. Step 5: Solve for x
    x = 489,229,567.88/25,327.28
  6. Step 6: Final answer
    x = 19,316.31

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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.