Home / 28,930.45-43,339.64-16,412.61

Finding the Fourth Proportional to 28,930.45, 43,339.64 and 16,412.61

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Solution

The fourth proportional to 28,930.45, 43,339.64 and 16,412.61 is: 24,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.45 : 43,339.64 = 16,412.61 : x
  2. Step 2: Convert to fraction form
    28,930.45/43,339.64 = 16,412.61/x
  3. Step 3: Cross multiply
    28,930.45x = 43,339.64 × 16,412.61
  4. Step 4: Simplify right side
    28,930.45x = 711,316,608.86
  5. Step 5: Solve for x
    x = 711,316,608.86/28,930.45
  6. Step 6: Final answer
    x = 24,587.13

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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.