Home / 21,525.88-32,297.10-8,387.56

Finding the Fourth Proportional to 21,525.88, 32,297.10 and 8,387.56

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Solution

The fourth proportional to 21,525.88, 32,297.10 and 8,387.56 is: 12,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525.88 : 32,297.10 = 8,387.56 : x
  2. Step 2: Convert to fraction form
    21,525.88/32,297.10 = 8,387.56/x
  3. Step 3: Cross multiply
    21,525.88x = 32,297.10 × 8,387.56
  4. Step 4: Simplify right side
    21,525.88x = 270,893,864.08
  5. Step 5: Solve for x
    x = 270,893,864.08/21,525.88
  6. Step 6: Final answer
    x = 12,584.57

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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.