Home / 40,008.61-55,188.12-25,869.79

Finding the Fourth Proportional to 40,008.61, 55,188.12 and 25,869.79

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Solution

The fourth proportional to 40,008.61, 55,188.12 and 25,869.79 is: 35,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,008.61 : 55,188.12 = 25,869.79 : x
  2. Step 2: Convert to fraction form
    40,008.61/55,188.12 = 25,869.79/x
  3. Step 3: Cross multiply
    40,008.61x = 55,188.12 × 25,869.79
  4. Step 4: Simplify right side
    40,008.61x = 1,427,704,936.92
  5. Step 5: Solve for x
    x = 1,427,704,936.92/40,008.61
  6. Step 6: Final answer
    x = 35,684.94

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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.