Home / 25,356.20-34,979.92-16,406.62

Finding the Fourth Proportional to 25,356.20, 34,979.92 and 16,406.62

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Solution

The fourth proportional to 25,356.20, 34,979.92 and 16,406.62 is: 22,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,356.20 : 34,979.92 = 16,406.62 : x
  2. Step 2: Convert to fraction form
    25,356.20/34,979.92 = 16,406.62/x
  3. Step 3: Cross multiply
    25,356.20x = 34,979.92 × 16,406.62
  4. Step 4: Simplify right side
    25,356.20x = 573,902,126.60
  5. Step 5: Solve for x
    x = 573,902,126.60/25,356.20
  6. Step 6: Final answer
    x = 22,633.61

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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.