Home / 28,304.24-42,465.26-11,672.10

Finding the Fourth Proportional to 28,304.24, 42,465.26 and 11,672.10

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Solution

The fourth proportional to 28,304.24, 42,465.26 and 11,672.10 is: 17,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,304.24 : 42,465.26 = 11,672.10 : x
  2. Step 2: Convert to fraction form
    28,304.24/42,465.26 = 11,672.10/x
  3. Step 3: Cross multiply
    28,304.24x = 42,465.26 × 11,672.10
  4. Step 4: Simplify right side
    28,304.24x = 495,658,761.25
  5. Step 5: Solve for x
    x = 495,658,761.25/28,304.24
  6. Step 6: Final answer
    x = 17,511.82

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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.