Home / 20,756.21-31,165.65-16,583.82

Finding the Fourth Proportional to 20,756.21, 31,165.65 and 16,583.82

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Solution

The fourth proportional to 20,756.21, 31,165.65 and 16,583.82 is: 24,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,756.21 : 31,165.65 = 16,583.82 : x
  2. Step 2: Convert to fraction form
    20,756.21/31,165.65 = 16,583.82/x
  3. Step 3: Cross multiply
    20,756.21x = 31,165.65 × 16,583.82
  4. Step 4: Simplify right side
    20,756.21x = 516,845,529.78
  5. Step 5: Solve for x
    x = 516,845,529.78/20,756.21
  6. Step 6: Final answer
    x = 24,900.77

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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.