Home / 25,821.55-35,633.91-16,863.76

Finding the Fourth Proportional to 25,821.55, 35,633.91 and 16,863.76

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Solution

The fourth proportional to 25,821.55, 35,633.91 and 16,863.76 is: 23,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.55 : 35,633.91 = 16,863.76 : x
  2. Step 2: Convert to fraction form
    25,821.55/35,633.91 = 16,863.76/x
  3. Step 3: Cross multiply
    25,821.55x = 35,633.91 × 16,863.76
  4. Step 4: Simplify right side
    25,821.55x = 600,921,706.10
  5. Step 5: Solve for x
    x = 600,921,706.10/25,821.55
  6. Step 6: Final answer
    x = 23,272.10

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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.