Home / 21,445.49-32,169.26-10,361.50

Finding the Fourth Proportional to 21,445.49, 32,169.26 and 10,361.50

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Solution

The fourth proportional to 21,445.49, 32,169.26 and 10,361.50 is: 15,542.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.49 : 32,169.26 = 10,361.50 : x
  2. Step 2: Convert to fraction form
    21,445.49/32,169.26 = 10,361.50/x
  3. Step 3: Cross multiply
    21,445.49x = 32,169.26 × 10,361.50
  4. Step 4: Simplify right side
    21,445.49x = 333,321,787.49
  5. Step 5: Solve for x
    x = 333,321,787.49/21,445.49
  6. Step 6: Final answer
    x = 15,542.75

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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.