Home / 25,716.12-38,573.73-8,185.74

Finding the Fourth Proportional to 25,716.12, 38,573.73 and 8,185.74

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Solution

The fourth proportional to 25,716.12, 38,573.73 and 8,185.74 is: 12,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716.12 : 38,573.73 = 8,185.74 : x
  2. Step 2: Convert to fraction form
    25,716.12/38,573.73 = 8,185.74/x
  3. Step 3: Cross multiply
    25,716.12x = 38,573.73 × 8,185.74
  4. Step 4: Simplify right side
    25,716.12x = 315,754,524.61
  5. Step 5: Solve for x
    x = 315,754,524.61/25,716.12
  6. Step 6: Final answer
    x = 12,278.47

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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.