Home / 28,898.64-43,355.52-12,259.44

Finding the Fourth Proportional to 28,898.64, 43,355.52 and 12,259.44

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Solution

The fourth proportional to 28,898.64, 43,355.52 and 12,259.44 is: 18,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.64 : 43,355.52 = 12,259.44 : x
  2. Step 2: Convert to fraction form
    28,898.64/43,355.52 = 12,259.44/x
  3. Step 3: Cross multiply
    28,898.64x = 43,355.52 × 12,259.44
  4. Step 4: Simplify right side
    28,898.64x = 531,514,396.11
  5. Step 5: Solve for x
    x = 531,514,396.11/28,898.64
  6. Step 6: Final answer
    x = 18,392.37

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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.