Home / 21,960.11-32,940.21-10,281.53

Finding the Fourth Proportional to 21,960.11, 32,940.21 and 10,281.53

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Solution

The fourth proportional to 21,960.11, 32,940.21 and 10,281.53 is: 15,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960.11 : 32,940.21 = 10,281.53 : x
  2. Step 2: Convert to fraction form
    21,960.11/32,940.21 = 10,281.53/x
  3. Step 3: Cross multiply
    21,960.11x = 32,940.21 × 10,281.53
  4. Step 4: Simplify right side
    21,960.11x = 338,675,757.32
  5. Step 5: Solve for x
    x = 338,675,757.32/21,960.11
  6. Step 6: Final answer
    x = 15,422.32

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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.