Home / 28,926.25-43,372.77-11,386.51

Finding the Fourth Proportional to 28,926.25, 43,372.77 and 11,386.51

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Solution

The fourth proportional to 28,926.25, 43,372.77 and 11,386.51 is: 17,073.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.25 : 43,372.77 = 11,386.51 : x
  2. Step 2: Convert to fraction form
    28,926.25/43,372.77 = 11,386.51/x
  3. Step 3: Cross multiply
    28,926.25x = 43,372.77 × 11,386.51
  4. Step 4: Simplify right side
    28,926.25x = 493,864,479.33
  5. Step 5: Solve for x
    x = 493,864,479.33/28,926.25
  6. Step 6: Final answer
    x = 17,073.23

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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.