Home / 28,931.97-43,414.35-11,414.10

Finding the Fourth Proportional to 28,931.97, 43,414.35 and 11,414.10

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Solution

The fourth proportional to 28,931.97, 43,414.35 and 11,414.10 is: 17,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931.97 : 43,414.35 = 11,414.10 : x
  2. Step 2: Convert to fraction form
    28,931.97/43,414.35 = 11,414.10/x
  3. Step 3: Cross multiply
    28,931.97x = 43,414.35 × 11,414.10
  4. Step 4: Simplify right side
    28,931.97x = 495,535,675.26
  5. Step 5: Solve for x
    x = 495,535,675.26/28,931.97
  6. Step 6: Final answer
    x = 17,127.62

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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.