Home / 25,261.05-34,860.42-13,930.95

Finding the Fourth Proportional to 25,261.05, 34,860.42 and 13,930.95

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Solution

The fourth proportional to 25,261.05, 34,860.42 and 13,930.95 is: 19,224.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,261.05 : 34,860.42 = 13,930.95 : x
  2. Step 2: Convert to fraction form
    25,261.05/34,860.42 = 13,930.95/x
  3. Step 3: Cross multiply
    25,261.05x = 34,860.42 × 13,930.95
  4. Step 4: Simplify right side
    25,261.05x = 485,638,768.00
  5. Step 5: Solve for x
    x = 485,638,768.00/25,261.05
  6. Step 6: Final answer
    x = 19,224.81

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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.