Home / 21,632.90-32,443.07-8,304.95

Finding the Fourth Proportional to 21,632.90, 32,443.07 and 8,304.95

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Solution

The fourth proportional to 21,632.90, 32,443.07 and 8,304.95 is: 12,455.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.90 : 32,443.07 = 8,304.95 : x
  2. Step 2: Convert to fraction form
    21,632.90/32,443.07 = 8,304.95/x
  3. Step 3: Cross multiply
    21,632.90x = 32,443.07 × 8,304.95
  4. Step 4: Simplify right side
    21,632.90x = 269,438,113.78
  5. Step 5: Solve for x
    x = 269,438,113.78/21,632.90
  6. Step 6: Final answer
    x = 12,455.02

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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.