Home / 29,278.86-40,428.12-27,039.92

Finding the Fourth Proportional to 29,278.86, 40,428.12 and 27,039.92

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Solution

The fourth proportional to 29,278.86, 40,428.12 and 27,039.92 is: 37,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.86 : 40,428.12 = 27,039.92 : x
  2. Step 2: Convert to fraction form
    29,278.86/40,428.12 = 27,039.92/x
  3. Step 3: Cross multiply
    29,278.86x = 40,428.12 × 27,039.92
  4. Step 4: Simplify right side
    29,278.86x = 1,093,172,928.41
  5. Step 5: Solve for x
    x = 1,093,172,928.41/29,278.86
  6. Step 6: Final answer
    x = 37,336.59

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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.