Home / 21,588.24-32,387.20-8,444.36

Finding the Fourth Proportional to 21,588.24, 32,387.20 and 8,444.36

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Solution

The fourth proportional to 21,588.24, 32,387.20 and 8,444.36 is: 12,668.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.24 : 32,387.20 = 8,444.36 : x
  2. Step 2: Convert to fraction form
    21,588.24/32,387.20 = 8,444.36/x
  3. Step 3: Cross multiply
    21,588.24x = 32,387.20 × 8,444.36
  4. Step 4: Simplify right side
    21,588.24x = 273,489,176.19
  5. Step 5: Solve for x
    x = 273,489,176.19/21,588.24
  6. Step 6: Final answer
    x = 12,668.43

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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.