Home / 21,727.16-32,535.58-18,207.91

Finding the Fourth Proportional to 21,727.16, 32,535.58 and 18,207.91

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Solution

The fourth proportional to 21,727.16, 32,535.58 and 18,207.91 is: 27,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727.16 : 32,535.58 = 18,207.91 : x
  2. Step 2: Convert to fraction form
    21,727.16/32,535.58 = 18,207.91/x
  3. Step 3: Cross multiply
    21,727.16x = 32,535.58 × 18,207.91
  4. Step 4: Simplify right side
    21,727.16x = 592,404,912.44
  5. Step 5: Solve for x
    x = 592,404,912.44/21,727.16
  6. Step 6: Final answer
    x = 27,265.64

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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.