Home / 28,267.72-39,011.22-16,333.24

Finding the Fourth Proportional to 28,267.72, 39,011.22 and 16,333.24

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Solution

The fourth proportional to 28,267.72, 39,011.22 and 16,333.24 is: 22,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267.72 : 39,011.22 = 16,333.24 : x
  2. Step 2: Convert to fraction form
    28,267.72/39,011.22 = 16,333.24/x
  3. Step 3: Cross multiply
    28,267.72x = 39,011.22 × 16,333.24
  4. Step 4: Simplify right side
    28,267.72x = 637,179,618.95
  5. Step 5: Solve for x
    x = 637,179,618.95/28,267.72
  6. Step 6: Final answer
    x = 22,540.89

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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.