Home / 25,423.75-35,084.78-14,245.75

Finding the Fourth Proportional to 25,423.75, 35,084.78 and 14,245.75

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Solution

The fourth proportional to 25,423.75, 35,084.78 and 14,245.75 is: 19,659.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,423.75 : 35,084.78 = 14,245.75 : x
  2. Step 2: Convert to fraction form
    25,423.75/35,084.78 = 14,245.75/x
  3. Step 3: Cross multiply
    25,423.75x = 35,084.78 × 14,245.75
  4. Step 4: Simplify right side
    25,423.75x = 499,809,030.73
  5. Step 5: Solve for x
    x = 499,809,030.73/25,423.75
  6. Step 6: Final answer
    x = 19,659.14

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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.