Home / 28,929.45-43,338.14-16,411.61

Finding the Fourth Proportional to 28,929.45, 43,338.14 and 16,411.61

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Solution

The fourth proportional to 28,929.45, 43,338.14 and 16,411.61 is: 24,585.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.45 : 43,338.14 = 16,411.61 : x
  2. Step 2: Convert to fraction form
    28,929.45/43,338.14 = 16,411.61/x
  3. Step 3: Cross multiply
    28,929.45x = 43,338.14 × 16,411.61
  4. Step 4: Simplify right side
    28,929.45x = 711,248,739.64
  5. Step 5: Solve for x
    x = 711,248,739.64/28,929.45
  6. Step 6: Final answer
    x = 24,585.63

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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.