Home / 28,684.34-39,584.86-16,108.82

Finding the Fourth Proportional to 28,684.34, 39,584.86 and 16,108.82

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Solution

The fourth proportional to 28,684.34, 39,584.86 and 16,108.82 is: 22,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.34 : 39,584.86 = 16,108.82 : x
  2. Step 2: Convert to fraction form
    28,684.34/39,584.86 = 16,108.82/x
  3. Step 3: Cross multiply
    28,684.34x = 39,584.86 × 16,108.82
  4. Step 4: Simplify right side
    28,684.34x = 637,665,384.47
  5. Step 5: Solve for x
    x = 637,665,384.47/28,684.34
  6. Step 6: Final answer
    x = 22,230.44

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1.5x scale

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.