Home / 20,760.52-31,165.44-16,381.12

Finding the Fourth Proportional to 20,760.52, 31,165.44 and 16,381.12

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Solution

The fourth proportional to 20,760.52, 31,165.44 and 16,381.12 is: 24,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760.52 : 31,165.44 = 16,381.12 : x
  2. Step 2: Convert to fraction form
    20,760.52/31,165.44 = 16,381.12/x
  3. Step 3: Cross multiply
    20,760.52x = 31,165.44 × 16,381.12
  4. Step 4: Simplify right side
    20,760.52x = 510,524,574.76
  5. Step 5: Solve for x
    x = 510,524,574.76/20,760.52
  6. Step 6: Final answer
    x = 24,591.13

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1.5x scale

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.