Home / 25,261.06-34,859.50-13,930.55

Finding the Fourth Proportional to 25,261.06, 34,859.50 and 13,930.55

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Solution

The fourth proportional to 25,261.06, 34,859.50 and 13,930.55 is: 19,223.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,261.06 : 34,859.50 = 13,930.55 : x
  2. Step 2: Convert to fraction form
    25,261.06/34,859.50 = 13,930.55/x
  3. Step 3: Cross multiply
    25,261.06x = 34,859.50 × 13,930.55
  4. Step 4: Simplify right side
    25,261.06x = 485,612,007.73
  5. Step 5: Solve for x
    x = 485,612,007.73/25,261.06
  6. Step 6: Final answer
    x = 19,223.74

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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.