Home / 25,121.91-34,670.99-14,367.78

Finding the Fourth Proportional to 25,121.91, 34,670.99 and 14,367.78

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Solution

The fourth proportional to 25,121.91, 34,670.99 and 14,367.78 is: 19,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.91 : 34,670.99 = 14,367.78 : x
  2. Step 2: Convert to fraction form
    25,121.91/34,670.99 = 14,367.78/x
  3. Step 3: Cross multiply
    25,121.91x = 34,670.99 × 14,367.78
  4. Step 4: Simplify right side
    25,121.91x = 498,145,156.70
  5. Step 5: Solve for x
    x = 498,145,156.70/25,121.91
  6. Step 6: Final answer
    x = 19,829.11

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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.