Home / 28,252.64-42,377.08-11,608.36

Finding the Fourth Proportional to 28,252.64, 42,377.08 and 11,608.36

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Solution

The fourth proportional to 28,252.64, 42,377.08 and 11,608.36 is: 17,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.64 : 42,377.08 = 11,608.36 : x
  2. Step 2: Convert to fraction form
    28,252.64/42,377.08 = 11,608.36/x
  3. Step 3: Cross multiply
    28,252.64x = 42,377.08 × 11,608.36
  4. Step 4: Simplify right side
    28,252.64x = 491,928,400.39
  5. Step 5: Solve for x
    x = 491,928,400.39/28,252.64
  6. Step 6: Final answer
    x = 17,411.77

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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.