Home / 21,465.43-32,198.15-17,285.83

Finding the Fourth Proportional to 21,465.43, 32,198.15 and 17,285.83

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Solution

The fourth proportional to 21,465.43, 32,198.15 and 17,285.83 is: 25,928.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,465.43 : 32,198.15 = 17,285.83 : x
  2. Step 2: Convert to fraction form
    21,465.43/32,198.15 = 17,285.83/x
  3. Step 3: Cross multiply
    21,465.43x = 32,198.15 × 17,285.83
  4. Step 4: Simplify right side
    21,465.43x = 556,571,709.93
  5. Step 5: Solve for x
    x = 556,571,709.93/21,465.43
  6. Step 6: Final answer
    x = 25,928.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.