Home / 28,929.90-43,362.45-16,455.90

Finding the Fourth Proportional to 28,929.90, 43,362.45 and 16,455.90

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Solution

The fourth proportional to 28,929.90, 43,362.45 and 16,455.90 is: 24,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.90 : 43,362.45 = 16,455.90 : x
  2. Step 2: Convert to fraction form
    28,929.90/43,362.45 = 16,455.90/x
  3. Step 3: Cross multiply
    28,929.90x = 43,362.45 × 16,455.90
  4. Step 4: Simplify right side
    28,929.90x = 713,568,140.96
  5. Step 5: Solve for x
    x = 713,568,140.96/28,929.90
  6. Step 6: Final answer
    x = 24,665.42

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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.