Home / 28,051.36-42,076.93-11,411.26

Finding the Fourth Proportional to 28,051.36, 42,076.93 and 11,411.26

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Solution

The fourth proportional to 28,051.36, 42,076.93 and 11,411.26 is: 17,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051.36 : 42,076.93 = 11,411.26 : x
  2. Step 2: Convert to fraction form
    28,051.36/42,076.93 = 11,411.26/x
  3. Step 3: Cross multiply
    28,051.36x = 42,076.93 × 11,411.26
  4. Step 4: Simplify right side
    28,051.36x = 480,150,788.23
  5. Step 5: Solve for x
    x = 480,150,788.23/28,051.36
  6. Step 6: Final answer
    x = 17,116.85

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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.