Home / 28,999.17-43,494.71-9,279.45

Finding the Fourth Proportional to 28,999.17, 43,494.71 and 9,279.45

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Solution

The fourth proportional to 28,999.17, 43,494.71 and 9,279.45 is: 13,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.17 : 43,494.71 = 9,279.45 : x
  2. Step 2: Convert to fraction form
    28,999.17/43,494.71 = 9,279.45/x
  3. Step 3: Cross multiply
    28,999.17x = 43,494.71 × 9,279.45
  4. Step 4: Simplify right side
    28,999.17x = 403,606,940.31
  5. Step 5: Solve for x
    x = 403,606,940.31/28,999.17
  6. Step 6: Final answer
    x = 13,917.88

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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.