Home / 21,725.28-32,532.77-18,206.03

Finding the Fourth Proportional to 21,725.28, 32,532.77 and 18,206.03

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Solution

The fourth proportional to 21,725.28, 32,532.77 and 18,206.03 is: 27,262.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,725.28 : 32,532.77 = 18,206.03 : x
  2. Step 2: Convert to fraction form
    21,725.28/32,532.77 = 18,206.03/x
  3. Step 3: Cross multiply
    21,725.28x = 32,532.77 × 18,206.03
  4. Step 4: Simplify right side
    21,725.28x = 592,292,713.45
  5. Step 5: Solve for x
    x = 592,292,713.45/21,725.28
  6. Step 6: Final answer
    x = 27,262.83

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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.