Home / 21,179.55-29,258.20-16,925.04

Finding the Fourth Proportional to 21,179.55, 29,258.20 and 16,925.04

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Solution

The fourth proportional to 21,179.55, 29,258.20 and 16,925.04 is: 23,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,179.55 : 29,258.20 = 16,925.04 : x
  2. Step 2: Convert to fraction form
    21,179.55/29,258.20 = 16,925.04/x
  3. Step 3: Cross multiply
    21,179.55x = 29,258.20 × 16,925.04
  4. Step 4: Simplify right side
    21,179.55x = 495,196,131.28
  5. Step 5: Solve for x
    x = 495,196,131.28/21,179.55
  6. Step 6: Final answer
    x = 23,380.86

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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.