Home / 25,245.90-34,839.59-13,915.81

Finding the Fourth Proportional to 25,245.90, 34,839.59 and 13,915.81

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Solution

The fourth proportional to 25,245.90, 34,839.59 and 13,915.81 is: 19,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245.90 : 34,839.59 = 13,915.81 : x
  2. Step 2: Convert to fraction form
    25,245.90/34,839.59 = 13,915.81/x
  3. Step 3: Cross multiply
    25,245.90x = 34,839.59 × 13,915.81
  4. Step 4: Simplify right side
    25,245.90x = 484,821,114.92
  5. Step 5: Solve for x
    x = 484,821,114.92/25,245.90
  6. Step 6: Final answer
    x = 19,203.95

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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.