Home / 25,625.61-38,449.51-13,765.55

Finding the Fourth Proportional to 25,625.61, 38,449.51 and 13,765.55

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Solution

The fourth proportional to 25,625.61, 38,449.51 and 13,765.55 is: 20,654.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,625.61 : 38,449.51 = 13,765.55 : x
  2. Step 2: Convert to fraction form
    25,625.61/38,449.51 = 13,765.55/x
  3. Step 3: Cross multiply
    25,625.61x = 38,449.51 × 13,765.55
  4. Step 4: Simplify right side
    25,625.61x = 529,278,503.15
  5. Step 5: Solve for x
    x = 529,278,503.15/25,625.61
  6. Step 6: Final answer
    x = 20,654.28

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1.5x scale

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.