Home / 28,927.25-43,374.27-11,387.51

Finding the Fourth Proportional to 28,927.25, 43,374.27 and 11,387.51

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Solution

The fourth proportional to 28,927.25, 43,374.27 and 11,387.51 is: 17,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.25 : 43,374.27 = 11,387.51 : x
  2. Step 2: Convert to fraction form
    28,927.25/43,374.27 = 11,387.51/x
  3. Step 3: Cross multiply
    28,927.25x = 43,374.27 × 11,387.51
  4. Step 4: Simplify right side
    28,927.25x = 493,924,933.37
  5. Step 5: Solve for x
    x = 493,924,933.37/28,927.25
  6. Step 6: Final answer
    x = 17,074.73

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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.