Home / 21,632.22-32,436.90-10,222.20

Finding the Fourth Proportional to 21,632.22, 32,436.90 and 10,222.20

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Solution

The fourth proportional to 21,632.22, 32,436.90 and 10,222.20 is: 15,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.22 : 32,436.90 = 10,222.20 : x
  2. Step 2: Convert to fraction form
    21,632.22/32,436.90 = 10,222.20/x
  3. Step 3: Cross multiply
    21,632.22x = 32,436.90 × 10,222.20
  4. Step 4: Simplify right side
    21,632.22x = 331,576,479.18
  5. Step 5: Solve for x
    x = 331,576,479.18/21,632.22
  6. Step 6: Final answer
    x = 15,327.90

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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.