Home / 31,414.97-43,312.24-25,728.77

Finding the Fourth Proportional to 31,414.97, 43,312.24 and 25,728.77

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Solution

The fourth proportional to 31,414.97, 43,312.24 and 25,728.77 is: 35,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,414.97 : 43,312.24 = 25,728.77 : x
  2. Step 2: Convert to fraction form
    31,414.97/43,312.24 = 25,728.77/x
  3. Step 3: Cross multiply
    31,414.97x = 43,312.24 × 25,728.77
  4. Step 4: Simplify right side
    31,414.97x = 1,114,370,801.59
  5. Step 5: Solve for x
    x = 1,114,370,801.59/31,414.97
  6. Step 6: Final answer
    x = 35,472.60

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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.