Home / 21,575.58-32,209.31-18,253.17

Finding the Fourth Proportional to 21,575.58, 32,209.31 and 18,253.17

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Solution

The fourth proportional to 21,575.58, 32,209.31 and 18,253.17 is: 27,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575.58 : 32,209.31 = 18,253.17 : x
  2. Step 2: Convert to fraction form
    21,575.58/32,209.31 = 18,253.17/x
  3. Step 3: Cross multiply
    21,575.58x = 32,209.31 × 18,253.17
  4. Step 4: Simplify right side
    21,575.58x = 587,921,919.75
  5. Step 5: Solve for x
    x = 587,921,919.75/21,575.58
  6. Step 6: Final answer
    x = 27,249.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.