Home / 28,914.66-43,384.29-12,278.27

Finding the Fourth Proportional to 28,914.66, 43,384.29 and 12,278.27

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Solution

The fourth proportional to 28,914.66, 43,384.29 and 12,278.27 is: 18,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,914.66 : 43,384.29 = 12,278.27 : x
  2. Step 2: Convert to fraction form
    28,914.66/43,384.29 = 12,278.27/x
  3. Step 3: Cross multiply
    28,914.66x = 43,384.29 × 12,278.27
  4. Step 4: Simplify right side
    28,914.66x = 532,684,026.38
  5. Step 5: Solve for x
    x = 532,684,026.38/28,914.66
  6. Step 6: Final answer
    x = 18,422.63

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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.