Home / 16,286.40-24,415.65-15,511.32

Finding the Fourth Proportional to 16,286.40, 24,415.65 and 15,511.32

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Solution

The fourth proportional to 16,286.40, 24,415.65 and 15,511.32 is: 23,253.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,286.40 : 24,415.65 = 15,511.32 : x
  2. Step 2: Convert to fraction form
    16,286.40/24,415.65 = 15,511.32/x
  3. Step 3: Cross multiply
    16,286.40x = 24,415.65 × 15,511.32
  4. Step 4: Simplify right side
    16,286.40x = 378,718,960.16
  5. Step 5: Solve for x
    x = 378,718,960.16/16,286.40
  6. Step 6: Final answer
    x = 23,253.69

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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.