Home / 25,115.84-34,659.94-13,785.44

Finding the Fourth Proportional to 25,115.84, 34,659.94 and 13,785.44

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Solution

The fourth proportional to 25,115.84, 34,659.94 and 13,785.44 is: 19,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.84 : 34,659.94 = 13,785.44 : x
  2. Step 2: Convert to fraction form
    25,115.84/34,659.94 = 13,785.44/x
  3. Step 3: Cross multiply
    25,115.84x = 34,659.94 × 13,785.44
  4. Step 4: Simplify right side
    25,115.84x = 477,802,523.27
  5. Step 5: Solve for x
    x = 477,802,523.27/25,115.84
  6. Step 6: Final answer
    x = 19,023.95

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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.