Home / 28,342.08-42,476.18-17,664.04

Finding the Fourth Proportional to 28,342.08, 42,476.18 and 17,664.04

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Solution

The fourth proportional to 28,342.08, 42,476.18 and 17,664.04 is: 26,473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,342.08 : 42,476.18 = 17,664.04 : x
  2. Step 2: Convert to fraction form
    28,342.08/42,476.18 = 17,664.04/x
  3. Step 3: Cross multiply
    28,342.08x = 42,476.18 × 17,664.04
  4. Step 4: Simplify right side
    28,342.08x = 750,300,942.57
  5. Step 5: Solve for x
    x = 750,300,942.57/28,342.08
  6. Step 6: Final answer
    x = 26,473.04

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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.