Home / 28,279.44-39,022.82-16,341.84

Finding the Fourth Proportional to 28,279.44, 39,022.82 and 16,341.84

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Solution

The fourth proportional to 28,279.44, 39,022.82 and 16,341.84 is: 22,550.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,279.44 : 39,022.82 = 16,341.84 : x
  2. Step 2: Convert to fraction form
    28,279.44/39,022.82 = 16,341.84/x
  3. Step 3: Cross multiply
    28,279.44x = 39,022.82 × 16,341.84
  4. Step 4: Simplify right side
    28,279.44x = 637,704,680.79
  5. Step 5: Solve for x
    x = 637,704,680.79/28,279.44
  6. Step 6: Final answer
    x = 22,550.12

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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.