Home / 23,931.84-33,025.20-13,321.24

Finding the Fourth Proportional to 23,931.84, 33,025.20 and 13,321.24

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Solution

The fourth proportional to 23,931.84, 33,025.20 and 13,321.24 is: 18,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,931.84 : 33,025.20 = 13,321.24 : x
  2. Step 2: Convert to fraction form
    23,931.84/33,025.20 = 13,321.24/x
  3. Step 3: Cross multiply
    23,931.84x = 33,025.20 × 13,321.24
  4. Step 4: Simplify right side
    23,931.84x = 439,936,615.25
  5. Step 5: Solve for x
    x = 439,936,615.25/23,931.84
  6. Step 6: Final answer
    x = 18,382.90

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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.