Home / 28,890.09-43,341.21-16,415.91

Finding the Fourth Proportional to 28,890.09, 43,341.21 and 16,415.91

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Solution

The fourth proportional to 28,890.09, 43,341.21 and 16,415.91 is: 24,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890.09 : 43,341.21 = 16,415.91 : x
  2. Step 2: Convert to fraction form
    28,890.09/43,341.21 = 16,415.91/x
  3. Step 3: Cross multiply
    28,890.09x = 43,341.21 × 16,415.91
  4. Step 4: Simplify right side
    28,890.09x = 711,485,402.65
  5. Step 5: Solve for x
    x = 711,485,402.65/28,890.09
  6. Step 6: Final answer
    x = 24,627.32

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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.