Home / 21,632.94-32,393.34-18,532.80

Finding the Fourth Proportional to 21,632.94, 32,393.34 and 18,532.80

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Solution

The fourth proportional to 21,632.94, 32,393.34 and 18,532.80 is: 27,751.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.94 : 32,393.34 = 18,532.80 : x
  2. Step 2: Convert to fraction form
    21,632.94/32,393.34 = 18,532.80/x
  3. Step 3: Cross multiply
    21,632.94x = 32,393.34 × 18,532.80
  4. Step 4: Simplify right side
    21,632.94x = 600,339,291.55
  5. Step 5: Solve for x
    x = 600,339,291.55/21,632.94
  6. Step 6: Final answer
    x = 27,751.17

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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.