Home / 28,941.44-43,417.92-9,219.36

Finding the Fourth Proportional to 28,941.44, 43,417.92 and 9,219.36

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Solution

The fourth proportional to 28,941.44, 43,417.92 and 9,219.36 is: 13,830.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.44 : 43,417.92 = 9,219.36 : x
  2. Step 2: Convert to fraction form
    28,941.44/43,417.92 = 9,219.36/x
  3. Step 3: Cross multiply
    28,941.44x = 43,417.92 × 9,219.36
  4. Step 4: Simplify right side
    28,941.44x = 400,285,434.93
  5. Step 5: Solve for x
    x = 400,285,434.93/28,941.44
  6. Step 6: Final answer
    x = 13,830.87

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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.