Home / 25,680.80-35,449.70-16,118.12

Finding the Fourth Proportional to 25,680.80, 35,449.70 and 16,118.12

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Solution

The fourth proportional to 25,680.80, 35,449.70 and 16,118.12 is: 22,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680.80 : 35,449.70 = 16,118.12 : x
  2. Step 2: Convert to fraction form
    25,680.80/35,449.70 = 16,118.12/x
  3. Step 3: Cross multiply
    25,680.80x = 35,449.70 × 16,118.12
  4. Step 4: Simplify right side
    25,680.80x = 571,382,260.72
  5. Step 5: Solve for x
    x = 571,382,260.72/25,680.80
  6. Step 6: Final answer
    x = 22,249.40

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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.