Home / 21,585.38-29,759.10-16,184.84

Finding the Fourth Proportional to 21,585.38, 29,759.10 and 16,184.84

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Solution

The fourth proportional to 21,585.38, 29,759.10 and 16,184.84 is: 22,313.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.38 : 29,759.10 = 16,184.84 : x
  2. Step 2: Convert to fraction form
    21,585.38/29,759.10 = 16,184.84/x
  3. Step 3: Cross multiply
    21,585.38x = 29,759.10 × 16,184.84
  4. Step 4: Simplify right side
    21,585.38x = 481,646,272.04
  5. Step 5: Solve for x
    x = 481,646,272.04/21,585.38
  6. Step 6: Final answer
    x = 22,313.54

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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.