Home / 20,566.86-28,382.55-11,614.50

Finding the Fourth Proportional to 20,566.86, 28,382.55 and 11,614.50

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Solution

The fourth proportional to 20,566.86, 28,382.55 and 11,614.50 is: 16,028.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.86 : 28,382.55 = 11,614.50 : x
  2. Step 2: Convert to fraction form
    20,566.86/28,382.55 = 11,614.50/x
  3. Step 3: Cross multiply
    20,566.86x = 28,382.55 × 11,614.50
  4. Step 4: Simplify right side
    20,566.86x = 329,649,126.98
  5. Step 5: Solve for x
    x = 329,649,126.98/20,566.86
  6. Step 6: Final answer
    x = 16,028.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.