Home / 24,380.30-33,633.78-21,386.90

Finding the Fourth Proportional to 24,380.30, 33,633.78 and 21,386.90

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Solution

The fourth proportional to 24,380.30, 33,633.78 and 21,386.90 is: 29,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,380.30 : 33,633.78 = 21,386.90 : x
  2. Step 2: Convert to fraction form
    24,380.30/33,633.78 = 21,386.90/x
  3. Step 3: Cross multiply
    24,380.30x = 33,633.78 × 21,386.90
  4. Step 4: Simplify right side
    24,380.30x = 719,322,289.48
  5. Step 5: Solve for x
    x = 719,322,289.48/24,380.30
  6. Step 6: Final answer
    x = 29,504.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.