Home / 28,895.40-43,347.96-9,172.44

Finding the Fourth Proportional to 28,895.40, 43,347.96 and 9,172.44

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Solution

The fourth proportional to 28,895.40, 43,347.96 and 9,172.44 is: 13,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.40 : 43,347.96 = 9,172.44 : x
  2. Step 2: Convert to fraction form
    28,895.40/43,347.96 = 9,172.44/x
  3. Step 3: Cross multiply
    28,895.40x = 43,347.96 × 9,172.44
  4. Step 4: Simplify right side
    28,895.40x = 397,606,562.22
  5. Step 5: Solve for x
    x = 397,606,562.22/28,895.40
  6. Step 6: Final answer
    x = 13,760.20

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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.