Home / 20,250.80-27,924.90-17,427.74

Finding the Fourth Proportional to 20,250.80, 27,924.90 and 17,427.74

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Solution

The fourth proportional to 20,250.80, 27,924.90 and 17,427.74 is: 24,032.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.80 : 27,924.90 = 17,427.74 : x
  2. Step 2: Convert to fraction form
    20,250.80/27,924.90 = 17,427.74/x
  3. Step 3: Cross multiply
    20,250.80x = 27,924.90 × 17,427.74
  4. Step 4: Simplify right side
    20,250.80x = 486,667,757.10
  5. Step 5: Solve for x
    x = 486,667,757.10/20,250.80
  6. Step 6: Final answer
    x = 24,032.03

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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.