Home / 25,447.95-38,171.48-10,451.82

Finding the Fourth Proportional to 25,447.95, 38,171.48 and 10,451.82

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Solution

The fourth proportional to 25,447.95, 38,171.48 and 10,451.82 is: 15,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,447.95 : 38,171.48 = 10,451.82 : x
  2. Step 2: Convert to fraction form
    25,447.95/38,171.48 = 10,451.82/x
  3. Step 3: Cross multiply
    25,447.95x = 38,171.48 × 10,451.82
  4. Step 4: Simplify right side
    25,447.95x = 398,961,385.83
  5. Step 5: Solve for x
    x = 398,961,385.83/25,447.95
  6. Step 6: Final answer
    x = 15,677.55

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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.